Question

What is the area of a circle with a diameter of 8? (1 point)
a.4
b.8
c.16
d.64

Answer 1

\[d = 2r\]\[8 = 2r\]\[r = 4\]THe radius is 4.
\[A_{Circle} = πr^2\]\[A_{Circle} = π(4)^2 \implies?\]