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Subjects>Math>Geometry

What is the mathematical formula for finding the radius of a circle?

Anonymous

∙ 12y ago

Updated: 4/28/2022

To calculate this you will need the diameter of the circle. The formula is: diameter/2*pi If you don't know the diameter you can also use the area of the circle: Sqrt(Area/pi) = radius

Wiki User

∙ 12y ago

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Continue Learning about Geometry

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 the mathematical formula for the area of a circle?

If a circle has the area A and radius r, thenA = pi * r^2

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

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

What is the area of a circle if the radius is 18cm?

Using 3.14 as Pi the area of circle is: 1017.36

What is pr2?

It is the formula for finding the area of a circle which means: pi times radius squared

Related Questions

What is Pi R Squared?

The formula to get the area of a circle ("R" being the radius of the circle). Radius means the distance from the center of the circle to the edge.It means pi times radius squared which is the formula for finding the area of a circle.

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

Area of circle = pi*(radius)2

What is the formula for finding perimeter of a circle?

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

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

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

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 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 formula ofr finding area of a circle?

Area of a circle = pi*radius squared

What is the mathematical formula for the area of a circle?

If a circle has the area A and radius r, thenA = pi * r^2

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 finding the area if you have radius?

Area of a circle = pi*radius2

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

Pi * R squared, where R is the radius of the circle in question

What formula is pi d?

It is the formula for finding the circumference of a circle which is the same as 2*pi*radius

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