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Subjects>Math>Geometry

Why do you multiply by pi to find the area of a circle?

Anonymous

∙ 14y ago

Updated: 4/28/2022

You multipy the diameter, which is hte radius multiplied by two. The radius is hte length of the circle from the middle most point to the outer rim.

Wiki User

∙ 14y ago

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Continue Learning about Geometry

How do you find circumference of a circle?

Multiply the diameter by 3.14159 (Pi) to get the circumference multiply the diameter by pi. pi is 3.14159 * * * * * Depends on what information you have. You could multiply the area by 2/radius

How do you find the area inside a circle?

use the equation Area=pi*r2 r is the radius of a circle If you are presented with the diameter of the circle, divide by 2 to receive the radius. Now, square and multiply by pi.

Does 3.14 stand for circumference?

3.14 is the approximate value of pi. Multiply the diameter of a circle by pi to get its circumference; multiply the square of the radius of a circle by pi to get its area.

How do you find the area of a circle if you have the radius?

The equation for the area of a circle = pi x radius². First square your radius (multiply it by itself) Then multiply it by pi, which you may use either by using the pi button on your calculator or by using an approximate value of 3.1416 (3.14 will be close).

What do you multiply the radius by?

circumference of a circle = 2*pi*radius area of a circle = pi*radius squared

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