Question

Find the exact area of a circle with a radius of 3inches.
a.2.25pi inches^2
b.3pi inches^2
c.9 pi inches^2
d.1.5 pi inches^2

Answer 1

\[A=\pi r^2=9\pi [(inches)^2] \]

Answer 2

so what choice would that be?

Answer 3

c

Answer 4

it can't be, It's either A or D