How do I find a formula for the area of a circle with a circumference c?
2 answers
C = pi * d
C=2pi*r
(1/2)C=(1/2)(2pi*r)
(1/2)C=pi*r
(1/2)C*r = pi*r^2 =A
(1/2)C=(1/2)(2pi*r)
(1/2)C=pi*r
(1/2)C*r = pi*r^2 =A