Pi * R squared, where R is the radius of the circle in question
1. The formula for finding the Area of a circle is Pie X R-squared. R 3 cm squared is 9cm X 3,14 (value of Pie) = 28.26 square inches. 2. The formula for finding the Area of a rectangle is Length X Width (LXW): 14 X 2 = 28 square inches. 3.The answer is...900 ins. are in 75 ft. 24
Divide the area by pi then square root your answer which will give the radius of the circle and use 2*pi*radius to find the circumference.
You would have to round since area will not be able to be represented without rounding.
Either pi times the diameter or pi times twice the radius (which is the diameter)
a formula is alway correct
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.
the formula for the area of a circle is 3.14 x radius squared
The formula to find the area of a circle is: A = pi * r2
The area of a circle can be found with the formula (pi)r^2
Area formula for circle= --,,- r 2
Area of circle = PI * R2In A1 enter radius of circle (e.g. 4).In B1 enter this formula: =PI()*A1^2Observe in B1 the number as the area of a circle with radius of 4.
The formula for double the area of a circle
The formula to find the area of a circle is pi x the radius squared.
Area of a circle = pi*radius2
There is no specific formula for a sector of a circle. There is a formula for its angle (at the centre), its perimeter, its area.
The formula for the area of a circle is: Area = (pi) x (Radius)2 . When you know the radius of the circle and you use it to calculate the area of the circle, the result will be equal to (pi) x (Radius)2 .