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c=TT R

Given the area, the radius = square root (area / Pi).

Given the circumference, the radius = circumf/ 2Pi.

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Q: Formula for finding radius of a circle?
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Related questions

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


Formula for finding the area if you have radius?

Area of a circle = pi*radius2


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 Pi R Squared?

The formula for the area of a circle is πr^2, where π (pi) is a mathematical constant approximately equal to 3.14159, and r is the radius of the circle. So, "pi r squared" refers to the area of a circle, calculated by multiplying π by the square of the radius. This formula is fundamental in geometry and mathematics for finding the area enclosed by a circle.


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


What is the formula for finding the centroid of a circle?

2[4(radius)/3(pi)]