A button has a diameter of 0.80 inches.
What is the exact area of the button in terms of pi (7)?
A=πr2
(3 points)
O A. 0.16т in?
O B. 0.407 in?
O C. 0.647 in2
O D. 0.807 in?
The radius of the button is half of the diameter, so the radius is 0.80/2 = 0.40 inches.
Now we can calculate the area of the button using the formula A=πr^2:
A = π(0.40)^2
A = π(0.16)
A = 0.16π
Therefore, the exact area of the button in terms of pi is 0.16π, which is option A. 0.16т in?