Area of a circle in square units = pi*radius2
area = 225 pi = pi R squared/4 R = square root 900 = 30 in
C = 2*pi*r 8 = 2*pi*r 4 = pi*r r = 4/pi
pi squared is 9.869604401... pi cubed is 31.00627668
The area of a coil is calculated by pi r squared x length.
Because 4*pi*radius2 is surface area of a sphere
Area of a circle in square units = pi*radius2
Multiply it by 4/3 pi r squared
Pi r squared is the formula for the area of a circle. 2 pi r squared is twice that.
SA=2(pi times r squared) + h(pi 2 r) or (easier way) 2 pi r squared + 2 pi r h
area = 225 pi = pi R squared/4 R = square root 900 = 30 in
pi times the radius squared pi r squared
that is 14,519.4 squared
Cone: 1/3 ( pi r squared h). sphere: 4/3 pi r cubed
That is the formula for the area of a circle; r refers to the radius, and pi is approximately 3.14. r squared means that you multiply r x r.
"Pi R Squared" refers to the formula for the area of a circle. A = (pi)r2 (3.1416 times the square of the radius)
Pi times r times r or Pi r squared is the formula for finding the area of a circle where r is the radius