Question

A button has a diameter of 0.80 ๐‘–๐‘›๐‘โ„Ž๐‘’๐‘ .

What is the exact area of the button in terms of pi (๐œ‹)?

ย 

A=ฯ€r2

(3 points)
Responses

A.ย 0.16ฯ€ย in2
A.ย 0.16ฯ€ย in2

B.ย 0.40ฯ€ย in2
B.ย 0.40ฯ€ย in2

C.ย 0.64ฯ€ย in2
C.ย 0.64ฯ€ย in2

D.ย 0.80ฯ€ย in2

Answers

There are no human answers yet.
Answered by GPT 3.5
C. 0.64ฯ€ in2

The radius of the button is half of its diameter, so the radius is 0.80/2 = 0.40 inches.
Plugging this into the formula for the area of a circle, A = ฯ€(0.40)2 = 0.64ฯ€ in2.

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