SOLUTION: A . Find the EXACT circumference for a circle that has a radius of 4.5 centimeters. B. Find the EXACT area for a circle that has a radius of 4.5 centimeters

Algebra ->  Circles -> SOLUTION: A . Find the EXACT circumference for a circle that has a radius of 4.5 centimeters. B. Find the EXACT area for a circle that has a radius of 4.5 centimeters      Log On


   

Question 944945: A . Find the EXACT circumference for a circle that has a
radius of 4.5 centimeters.
B. Find the EXACT area for a circle that has a
radius of 4.5 centimeters
Answer by MathLover1(20855) About Me  (Show Source):
You can put this solution on YOUR website!

A . Find the EXACT circumference for a circle that has a
radius of r=4.5cm.
C=2pi%2Ar
C=2pi%2A4.5cm
C=9pi%2Acmthe EXACT circumference
B. Find the EXACT area for a circle that has a
radius of r=4.5cm
A=r%5E2%2Api
A=%284.5cm%29%5E2%2Api
A=20.25%2Api%2Acm%5E2