No, a circle is not a function. A fundamental characteristic of a function in mathematics is that every input is associated with exactly one output. However, the equation of a circle—$x^2 + y^2 = r^2$ where (r) is the radius—does not satisfy this criterion. When we solve for (y), we obtain two values, $y = […]

# Search results for: circle

## Center of Circle Calculator + Online Solver With Free Steps

Center of Circle Calculator + Online Solver With Free Steps The Center of Circle Calculator finds the equation of a circle given its center and either its radius or a point that lies on it. What Is the Center of Circle Calculator? The Center of Circle Calculator is an online tool that calculates the equation […]

## Circle Area Calculator + Online Solver With Free Steps

Circle Area Calculator + Online Solver With Free Steps The Circle Area Calculator finds a circle’s area given the circle’s radius using the “pi r squared” formula with pi rounded to two decimal places. Note that the calculator expects a real, constant value as input. Therefore, avoid using variable names (such as x, y, z) […]

## Circle Graph Calculator + Online Solver With Free Easy Steps

Circle Graph Calculator + Online Solver With Free Easy Steps The online Circle Graph Calculator allows you to plot a circle using the general equation of a circle. The Circle Graph Calculator is an easy-to-use calculator that mathematicians and scientists widely use to graph circles. What Is a Circle Graph Calculator? The Circle Graph Calculator […]

## Mohr’s Circle Calculator + Online Solver With Free Steps

Mohr’s Circle Calculator + Online Solver With Free Steps A Mohr’s Circle Calculator is a free tool that helps you to find different stress parameters of an object. The calculator returns the mohr’s circle representation and minimum and maximum values of normal and shear stress as the output. What Is the Mohr’s Circle Calculator? The […]

## How Many Sides Does a Circle Have – Definition and Examples

The question, ‘How many sides does a circle have?‘ seems deceptively straightforward. Yet, it opens Pandora’s box of mathematical subtleties, leading to some of the most fundamental concepts in geometry. This article invites you to embark on a thought-provoking journey, aiming to explore this age-old question, shedding light on both traditional mathematical insights and modern […]

## Secant Circle – Definition, Properties, and Examples

This discussion aims to illuminate the mathematical properties of secant circles, their relationship with tangents, and the rich tapestry of applications they find in science, engineering, and everyday life. Definition of Secant Circle In geometry, a secant circle, with respect to another circle, is a circle that intersects the given circle at exactly two distinct […]

## Triangle Inside a Circle – Definition, Applications, and Examples

In this article, we dive into the captivating world of a triangle inside a circle, unraveling the beautiful intricacies of this geometric arrangement. Join us as we navigate through a series of theorems, concepts, and real-world applications that illuminate the richness of this captivating geometric relationship. Definition of Triangle Inside a Circle A triangle inside […]

## Semicircle | Definition & Meaning

Semicircle|Definition & Meaning Definition A semicircle is one-half of a circle. Any circle can be split into two semicircles by cutting it with a straight line passing through the center and touching the circle at the two far ends. This line is called the circle’s diameter. The area of a semicircle is exactly half the […]

## Parametrize a circle – Equations, Graphs, and Examples

Parametrize a circle – Equations, Graphs, and Examples Learning how we can parametrize a circle is helpful, especially when we want to visualize a given object’s position over time. As with other applications of parametric equations, it can help us model relationships that do not necessarily function themselves. We can parametrize a circle by expressing […]

## Unit Circle Memorization: Explanation and Examples

Unit Circle Memorization – Explanation and Examples Unit circle memorization involves memorizing the names of common angles and their corresponding sine and cosine ratios. Though memorizing the unit circle takes some up-front work, it makes trigonometry a million times easier. Otherwise, learners have to pull out a unit circle and look for values every single […]

## Unit Circle – Detailed Explanation and Examples

Unit Circle – Explanation and Examples The unit circle is a circle in the Cartesian plane centered at the origin and with a radius of $1$. This circle is useful for analyzing angles and trigonometric ratios. Typically, the initial angle is the line segment extending from the origin to the point $(1, 0)$. Then, the […]

## Equation of a Semicircle – Definition, Properties, and Examples

A semicircle, as the name suggests, is one-half of a circle. While circles have been central to human civilization for millennia, from the wheels of carts to the intricate designs in cathedrals, semicircles too have their unique charm and utility. Understanding the equation of a semicircle offers a glimpse into a world where mathematics marries […]

## Tangent to a Circle – Explanation & Examples

Tangent to a Circle – Explanation & Examples Have you ever done or saw fencing around the garden or some road due to law and order situation? The police will not allow you to get close to the fence. Some might get a chance to touch the fence and walk away. If they walk in […]

## Circumference of a Circle – Explanation & Examples

Circumference of a Circle – Explanation & Examples We saw before how to find the perimeter of the polygon. We know that circle is not a polygon. Therefore, it should not have a perimeter. We use an equivalent form for a circle, called circumference. In this article, we will discuss how to find a circle’s […]

## Area of Circle – Explanation & Examples

Area of Circle – Explanation & Examples To recall, the area is the region that occupied the shape in a two-dimensional plane. In this article, you will learn the area of a circle and the formulas for calculating the area of a circle. What is the Area of a Circle? The area of the circle […]

## Chords of a Circle – Explanation & Examples

Chords of a Circle – Explanation & Examples In this article, you’ll learn: What a chord of a circle is. Properties of a chord and; and How to find the length of a chord using different formulas. What is the Chord of a Circle? By definition, a chord is a straight line joining 2 […]

## Quadrilaterals in a Circle – Explanation & Examples

Quadrilaterals in a Circle – Explanation & Examples We have studied that a quadrilateral is a 4 – sided polygon with 4 angles and 4 vertices. For more details, you can consult the article “Quadrilaterals” in the “Polygon” section. In geometry exams, examiners make the questions complex by inscribing a figure inside another figure and […]

## Angles in a Circle – Explanation & Examples

Angles in a Circle – Explanation & Examples The concept of angles is essential in the study of geometry, especially in circles. You have seen a few theorems related to circles previously that all involve angles in it. Now, this article is purely related to the angles of a circle. You will also learn how […]

## Circles – Explanation & Examples

Circles – Explanation & Examples One of the important shapes in geometry is the circle. A geometry-based exam will have most of the questions consist of rectangles, triangles, and circles. We’ve all seen circles before. They have this perfectly round shape, which makes them perfect for hula-hooping! This article will explain what a circle is, […]

## Arc of a Circle – Explanation & Examples

Arc of a Circle – Explanation & Examples After the radius and diameter, another important part of a circle is an arc. In this article, we will discuss what an arc is, find the length of an arc, and measure an arc length in radians. We will also study the minor arc and major arc. […]

## Concentric Circle | Definition & Meaning

Concentric Circle|Definition & Meaning Definition If two objects in geometry have a common center, they are deemed to be concentric. Due to their shared center, regular polygons and circles are all concentric. In Euclidean geometry, two concentric circles always have different radii but the same center. The Meaning of Concentric Circles The circles that share […]

## Find the Area of the Shaded Region of a Circle: Clear Examples

To find the area of the shaded region of a circle, we need to know the type of area that is shaded. The general rule to find the shaded area of any shape would be to subtract the area of the more significant portion from the area of the smaller portion of the given geometrical […]

## Circumscribed and Inscribed Circles of Triangles-A Comprehensive Guide

The circumscribed and inscribed circles of triangles play a crucial role in their properties. With their distinct positions and relationships to the triangle’s sides and angles, these circles offer fascinating insights into the nature of triangles and the interplay between their geometric elements. In this article, we explore the captivating realms of the circumscribed and […]

## Quadrant (Circle) | Definition & Meaning

Quadrant (Circle)|Definition & Meaning Definition If Circle is decomposed into 4 equal parts then one out of that four parts is known as the quadrant of the circle or in other words, ¼ portion of the circle is referred to as a quadrant. There are 90-degree sectors in each quadrant. All of the parts contribute […]

## To throw a discus, the thrower holds it with a fully outstretched arm. Starting from rest, he begins to turn with a constant angular acceleration, releasing the discuss after making one complete revolution. The diameter of the circle in which the discus moves is about 1.8 m. If the thrower takes 1.0 s to complete one revolution, starting from rest, what will be the speed of the discus at release?

The main objective of this question is to find the speed of the disc when it is released. This question uses the concept of circular motion. In a circular motion, the motion direction is tangential and constantly changing, but the velocity is constant.The force necessary to vary the velocity is always perpendicular to the motion […]

## Let P(x,y) be the terminal point on the unit circle determined by t. Then find the value for sin(t), cos(t) and tan(t).

The aim of this question is to find sin t, cos t, and tan t for a given point P=(x,y) on the unit circle which is determined by t. For this, we will be utilizing the Cartesian Coordinate system and Equation of Circle. The basic concept behind this question is the knowledge of the circle and its […]

## Find parametric equations for the path of a particle that moves along the circle

[x^2+(y-1)^2=4] In the manner describe: a) One around clockwise starting at $(2,1)$ b) Three times around counterclockwise starting at $(2,1)$ This question aims to understand the parametric equations and dependent and independent variables concepts. A sort of equation that uses an independent variable named a parameter (t) and in which dependent variables are described as […]

## The asteroid belt circles the sun between the orbits of Mars and Jupiter.

The period of the asteroid is assumed to be $5$ Earth Years. Calculate the speed of the asteroid and the radius of its orbit. The aim of this article is to find the speed at which the asteroid is moving and the radius of its orbital movement. The basic concept behind this article is Kepler’s […]

## Use a double integral to find the area of the region. The region inside the cardioid r = 1 + cos(θ) and outside the circle r = 3 cos(θ).

This question aims to find the area of the region described by the given equations in polar form. A two-dimensional plane with a curve whose shape is like a heart is said to be a cardioid. This term is derived from a Greek word that means “heart.” Therefore, it is known as a heart-shaped curve. […]

## Use a double integral to find the area of the region. The region inside the circle (x-5)^2+y^2=25 and outside the circle x^2+y^2=25.

This question aims to find the area bounded by two circles using the double integral. A bounded region is defined by a boundary or by a set of constraints. More specifically, a bounded region cannot be regarded as an infinitely large area it is usually determined by a set of parameters or measurements. The area of […]

## Circle | Definition & Meaning

Circle|Definition & Meaning Definition A circle is a closed, two-dimensional rounded object in geometry. As its name implies, a circle has no sharp or sharply rounded corners or edges. A car tire and a wall clock are some examples of various ordinary objects with circular shapes. The Core or Center of a Circle The point […]

## What Do You Learn in Geometry – Key Concepts and Applications Explained

Geometry is the branch of mathematics that engages with the properties and relationships of points, lines, shapes, and figures in both plane and space. In studying geometry, I explore the fundamental building blocks of the physical world, unraveling how various figures are formed, interact, and can be measured. It begins with the basics of understanding […]

## Why is Geometry Important – Unveiling Its Role in Daily Life

Geometry is the mathematical study that deals with the size, shape, and position of figures and the properties of space. Its significance stems from its ability to provide a framework for understanding and manipulating the physical world. Since ancient times, geometrical principles have been fundamental in various fields such as art, architecture, and engineering. The […]

## Different Angles in Geometry – Your Visual Guide to Angle Types

Geometry is the branch of mathematics that deals with the properties and relationships of points, lines, surfaces, and solids. A fundamental concept within geometry is the angle, which forms when two rays (the arms of the angle) meet at a common endpoint known as the vertex. The measure of an angle is often expressed in […]

## Converse Meaning in Geometry – Understanding Theorem Inverses

The converse in geometry refers to a form of statement that arises when the hypothesis and conclusion of a conditional statement are switched. In a typical conditional statement of the form “If $p$ then $q$”, the converse would be “If $q$ then $p$”. Understanding the converse is critical because it does not necessarily hold the […]

## Geometry Symbols Meaning – Decoding the Language of Shapes

Geometry is a branch of mathematics that I’ve always found fascinating. It deals with the properties and relations of points, lines, surfaces, and solids. The symbols used in geometry are universally recognized shorthand notations that make complex mathematical concepts and proofs easier to understand and communicate. For example, an angle is represented by the symbol […]

## Tan in Geometry – Understanding the Tangent Function Basics

Tan in geometry, specifically in the realm of trigonometry, is a fundamental concept that relates to the shape and angles of triangles. It is the abbreviation for the tangent, which in a right-angled triangle is the ratio of the length of the side opposite to a given angle to the length of the side adjacent […]

## Hard Geometry Problems – Tackling Tough Challenges with Ease

Geometry problems often involve shapes, sizes, positions, and the properties of space. As I delve into the realm of geometry, it’s fascinating to explore the intricate challenges posed by harder problems in this field. These problems test my understanding of concepts such as congruence, similarity, the Pythagorean Theorem, as well as area and perimeter calculations. […]

## What Grade Do You Learn Geometry – Unraveling the Math Curriculum

Geometry is a branch of mathematics that I encounter at various stages of my education, with its foundational concepts often introduced as early as elementary school. It’s fascinating how this subject weaves into almost every part of my curriculum, starting subtly in kindergarten with shapes and space, and becoming more defined through middle school and […]

## Is Geometry Hard, and Why? Unraveling the Challenges of Shapes and Spaces

Yes, geometry can be challenging, largely due to its unique combination of logic, theory, and spatial understanding. Unlike other areas of math, such as algebra which revolves around equations and variables, geometry involves visualizing and manipulating shapes and understanding the properties and relations of points, lines, surfaces, and solids. It’s like learning a new language—a […]

## Is Geometry Harder Than Algebra? Understanding the Complexities of Mathematical Disciplines

Is geometry harder than algebra? The difficulty of geometry or algebra can be quite subjective depending on a student’s strengths and interests; however, many find geometry to demand a different skill from algebra. Geometry often involves more spatial reasoning and the memorization of various rules and theorems, which can be challenging for those who prefer the […]

## Not a Function Graph – Understanding Non-functional Relationships

A graph that does not represent a function shows that for at least one input from the domain, there are multiple outputs in the range. I understand that when we talk about functions in mathematics, we’re referring to a special kind of relation between sets that pairs each element of a domain to exactly one […]

## How to Find the Period of a Cosine Function – A Quick Guide

To find the period of a cosine function, I usually start by identifying the pattern of repetition in the function’s graph. This involves recognizing the horizontal distance on the x-axis between the peaks and valleys of the cosine wave, which indicates how often the function repeats itself. The formula for determining the period is $T […]

## How to Graph a Piecewise Function – Simple Steps for Beginners

To graph a piecewise function, I always start by understanding that it’s essentially a combination of different functions, each applying to specific intervals on the x-axis. A piecewise function can be written in the form $f(x) = begin{cases} f_1(x) & text{for } x text{ in domain } D_1, f_2(x) & text{for } x text{ in […]

## Domain of Tangent Function – Understanding Its Range and Behavior

The domain of the tangent function describes all the input values for which this trigonometric function is defined. Since the tangent function, $tan(x)$, is the ratio of the sine and cosine functions, $tan(x) = frac{sin(x)}{cos(x)} $, it is not defined wherever the cosine of an angle is zero. This happens at the odd multiples of […]

## How to Determine if a Graph is a Function – Quick Guide to Understanding Graphs

To determine if a graph is a function, I first check whether every vertical line I can draw on the graph intersects it at no more than one point. This is known as the vertical line test. It’s a simple method that visually confirms whether a set of points on a graph represents a function, […]

## Function and Not a Function – Understanding the Difference

A function is a fundamental concept in mathematics that I find crucial in the realm of algebra and beyond. It pertains to a specific type of relation that pairs each element in a set, known as the domain, with exactly one element in another set, known as the range. In more formal terms, for every […]

## How to Find the Symmetry of a Function – Easy Identification Tips

To find the symmetry of a function, I first consider the visual patterns displayed when the function’s graph is plotted. Reflective symmetry in a graph occurs when two halves mirror each other across a line—either the y-axis for even functions or the origin for odd functions. Identifying symmetry can simplify the graphing process and deepen […]

## How to Find Discontinuity of a Function – A Step-by-Step Guide

To find the discontinuity of a function, I first examine points where the function is not defined, such as values that result in a division by zero. Understanding discontinuity is essential because it reveals where a function breaks, which is crucial for an accurate analysis of its behavior. For instance, with a rational function, like […]