Question

Calculate the circumference of the circles with the following dimensions. C = circumference D = diameter R = radius PI = 3.14
R = 9 ft R = 11 ft R = 7 ft

Answer 1

Cirumference C=2*PI*R or C=PI*D (Diameter =2*Radius)

Answer 2

use this to find out circumference
C=2*3.14*9=56.52 ft
Similarly you can find for other R where R=11ft, R=7ft

Answer 3

The equation to find the circumference is:
\[C=2 \pi R\]

Therefore:
R(7): \[2*\pi * 7 = 14\pi\]
R(9): \[2*\pi * 9 = 18\pi\]
R(11): \[2*\pi * 11 = 21\pi\]