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marysya [2.9K]
3 years ago
11

In order for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhol

e is needed for a button with a circumference of 9.42 centimeters?
A. 3 centimeters
B. 6 centimeters
C. 4 centimeters
D. 1.5 centimeters
Mathematics
1 answer:
solong [7]3 years ago
8 0
Formula for the circumference: 
C = π d
Use the estimate of 3.14 for π: 9.42 = 3.14 d 
Divide both sides by 3.14: d = 9.42 / 3.14 They have very conveniently given you a round number: d = 3  so your answer is A
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