A button has a diameter of 0.80 𝑖𝑛𝑐ℎ𝑒𝑠.
What is the exact area of the button in terms of pi (𝜋)?
A=πr2 (3 points)
Responses
A. 0.16π in2A.◀...▶
B. 0.40π in2B.◀...▶
C. 0.64π in2C.◀...▶
D. 0.80π in2D.◀...▶
1 answer
B. 0.40π in2
1 answer