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Derive the formula for radius if the formula is c equals pi times r squared?
Wiki User
∙ 14y ago
Where pi (~ 3.1416) is represented by π, The formula C= πr2 yields the formula r2 = (C/π) therefore r = square root (C/π). ...which is the same as : r = (C/π)1/2.
Wiki User
∙ 14y ago
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What is the radius of A equals 121 pi cm squared?
radius = 11 cm
Is the area of a circle is twice the radius?
Area equals pi times the radius squared.
What is the formula for the area of a circle and the volume of a cylinder are related?
The formula for area of a circle is radius squared times pi. The formula for volume of a cylinder is radius squared times pi times height.
What is the volume of a 5 inch pipe?
what is the radius? It depends on the the radius. Formula 3.14*radius squared*5=answer
Formula for surface area of a cylinder?
2 times pi times the radius squared plus 2 times pi times the radius times the height equals surface area of a cylinder :]
What is the formula to calculate the surface area for a triangular pyramid?
SA equals pi times the radius squared
What is the formula to find at cones volume?
a cone's volume>>> V = 1/3 [ (pi)*(radius*squared)*(height) ] so volume equals , (one third) of (pi) times (radius squared) times (height)
What is the formula for the surface area of a circle?
The formula for the surface area of a circle is pi times the square of the radius. It is represented as A equals pi times r squared.
What is the radius of A equals 121 pi cm squared?
radius = 11 cm
What is the radius of the area 345cm2?
Since area equals Pi times radius squared take and substitute what is known. 345 equals Pi times the radius squared. divide Pi into both sides for 109.8 equals the radius squared. Now take the square root of 109.8 to get an r of 10.47936 cm.
What is the equation of a circle whose radius is 7 in?
General formula for a circle is X squared + Y squared = radius squared. So the answer would be x squared + y squared = 2.64575131 squared
The formula for circumference of a cirle is?
pi*radius squared
What is the formula for the area of a circle and the volume of a cylinder are related?
The formula for area of a circle is radius squared times pi. The formula for volume of a cylinder is radius squared times pi times height.
Is the area of a circle is twice the radius?
Area equals pi times the radius squared.
What is the volume of a 5 inch pipe?
what is the radius? It depends on the the radius. Formula 3.14*radius squared*5=answer
Formula for surface area of a cylinder?
2 times pi times the radius squared plus 2 times pi times the radius times the height equals surface area of a cylinder :]
What is the centre and radius of a circle when x squared plus y squared -2ax -2ay equals 0?
The centre is (a, a) and the radius is a*sqrt(2).
