A button has a diameter of 0.80 πππβππ .
What is the exact area of the button in terms of pi (π)?
A=Οr2 (3 points)
Responses
A. 0.16Ο in2A.β...βΆ
B. 0.40Ο in2B.β...βΆ
C. 0.64Ο in2C.β...βΆ
D. 0.80Ο in2D.β...βΆ