Answer:
[225(pi)]/4
Step-by-step explanation:
circumference = pi(diameter)
area = pi (radius)^2
Diameter = 2(radius)
15pi cm = pi(diameter)
divide both sides by pi
diameter = 15
radius = 7.5
Area = pi (7.5)^2
A = 56.25 pi
most teachers prefer fractions so
225pi/4
