Question

the ciricumference of a circle is 8p inches.find its radius and area.

Answer 1

Does "8p" mean "8pi" or is p a variable here?

Answer 2

no

Answer 3

radius = 4

Answer 4

I can't begin to answer this question without knowing the meaning of 8p.

Answer 5

the area of the circle is _in^2

Answer 6

vinnv226 radius

Answer 7

The circumference of a circle is equal to twice its radius times pi:
\[C=2\pi r\]Plugging in our circumference:
\[8\pi=2\pi r\]
\[r=4\]The area of a circle is equal to pi times the square of its radius:
\[A=\pi r^2\]Plug in 4 inches for r and solve to get area.

Answer 8

the area of the circle is _in^2