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What is the formula for finding the radius of a circle when you have the perimeter?

Anonymous

∙ 14y ago

Updated: 12/23/2022

2*pi*radius = perimeter or circumference of a circle

radius = circumference/2*pi

Wiki User

∙ 14y ago

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What is the formula for finding perimeter of a circle?

The formula for the circumference of a circle is pi * diameter or (2 radius.)

Why do you use the radius in the formula of finding the area of a circle?

Area of circle = pi*(radius)2

Perimeter of a circle formula?

2*pi*radius or pi*diameter

What is the formula for equillateral triangle?

There are different formula for: Height, Area, Perimeter, Angle, Length of Median Radius of inscribed circle Perimeter of inscribed circle Area of inscribed circle etc.

How do you find the perimeter of the circle of radius r?

by using formula 2. pie. r

Related Questions

What is the formula for finding perimeter of a circle?

The formula for the circumference of a circle is pi * diameter or (2 radius.)

How do you Find The Perimeter of a Circle With Radius?

this is called finding the circumference. The formula is 2*pie*radius

Formula for perimeter of a circle?

Circumference or perimeter = 2*pi*radius or pi*diameter

Why do you use the radius in the formula of finding the area of a circle?

Area of circle = pi*(radius)2

Perimeter of a circle formula?

2*pi*radius or pi*diameter

What is the perimeter of a 6.2 radius circle?

There is no such thing as the perimeter of a circle. The circumference, however, is 12.4*pi (since the formula is pi*diameter)

What is the formula for equillateral triangle?

There are different formula for: Height, Area, Perimeter, Angle, Length of Median Radius of inscribed circle Perimeter of inscribed circle Area of inscribed circle etc.

What is the formula of finding the radius of a rectangle?

Hell are you talking about?!? A radius is a dimension of a circle! A rectangle has no stinking radius!

What is the formula for finding an area of a circle?

The area of a circle with a known radius can calculated using the following formula where r is the radius : A = Pi(r)2

What is formula ofr finding area of a circle?

Area of a circle = pi*radius squared

What is the radius and the area of a circle?

The radius of a circle is the distance from the center to any point on the circle. The area is the space within the circle. The formula to find the area is πr2. r stands for the radius of the circle. If you want to find the radius, you can work backwards from the area or the circumference, which is the perimeter of the circle. The formula for circumference is 2πr.

How do you find the perimeter of the circle of radius r?

by using formula 2. pie. r

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