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 in2
A. 0.16Ο in2
B. 0.40Ο in2
B. 0.40Ο in2
C. 0.64Ο in2
C. 0.64Ο in2
D. 0.80Ο in2
C. 0.64Ο in2
The radius of the button is half of the diameter, so the radius is 0.40 inches.
Now we can use the formula A=Οr2 to find the area:
A=Ο(0.40)2
A=Ο(0.16)
A=0.16Ο
Therefore, the exact area of the button in terms of pi is 0.16Ο in2.