Practice Questions on Circumference Formula

What is the Circumference Formula?

Circumference Formula is a mathematical formula used to calculate the circumference of a circle which is also the perimeter of the circle. The Circumference Formula of a Circle is C = 2πr where ‘r’ is the radius of the circle or C = πd where d is the diameter of the circle. We can also say that the Circumference Formula is basically a mathematical equation to find the circumference of the circle....

Circumference Definition

The length of the boundary of a Circle is called the Circumference. The word Circumference is composed of two Latin Words Circum and Ferre. The word Circum means, around or about and Ferre means to carry. Hence, the word circumference means to carry around. For understanding, take a bangle and a thread. Put the thread around the circle in a closed manner. Now measure the length of this thread. The length of this thread will give you the measurement of the circumference of the Circle....

What is a Circle?

A circle is two dimensional round shaped figure bounded by curved line. There are no edges or corner in a circle. The length of the curved line making the boundary of the circle is the circumference of the circle. The image showing the circle with all its components is attached below:...

Circle Circumference Formula

Circumference of a circle is the length of the boundary surrounding the circle. The Circumference of a circle is equal to twice the product of the numerical constant π and the radius ‘r’. The mathematical expression for Circumference Formula is given as follows:...

Semi Circle Circumference Formula

Now one can think that if a semicircle is half of the circle then its circumference or perimeter would also be half of the circle. But that is actually wrong. If we see a semicircle, we see that arc is half of that of a circle but it is also enclosed by a line which is actually the diameter of the circle....

Circumference Formula for Some Other Curved Objects

Apart from the circle, the circumference can be calculated for some other curved objects. Lets’s learn the circumference formula for cylinder, sphere, and ellipse....

Sample Problems on Circumference Formula

Problem 1: Calculate the circumference of a circle having a radius of 24 cm....

Practice Questions on Circumference Formula

Q1: Using Circumference Formula, find the circumference of a circle of diameter 28 cm...

FAQs on Circumference Formula

1. What is the Circumference of a Circle?...