Question

Find the exact area of a circle having the given circumference.

8 π

A =

4√2
16
64

Answer 1

whats \[\pi r^2\]

Answer 2

\(\LARGE\color{black}{ C=2\pi r }\)
\(\LARGE\color{black}{ 8\pi=2\pi r }\)
\(\LARGE\color{black}{ 8=2 r }\)
\(\LARGE\color{black}{ 4= r }\)

then use, \(\LARGE\color{blue}{ A=\pi r^2 }\)

Answer 3

thnx:)

Answer 4

anytime:)