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A circular tabletop has a circumference of 94.2 inches. What is its diameter? 15 in. 295.79 in. 30 in. 60 in
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1 vote
A circular tabletop has a circumference of 94.2 inches. What is its diameter? 15 in.

295.79 in.
30 in.
60 in

User Mariz Melo
by
9.5k points

2 Answers

6 votes
the circumference = 2 pi radius
94.2 = 2 × 3.14 × radius
94.2 = 6.28 × radius
94.2÷6.28 = radius
15 = radius
radius = 1/2 diameter
diameter = 2 × radius
diameter = 2 × 15
diameter = 30 in.
User Offex
by
9.2k points
2 votes
Circumference is pi*diameter, so 94.2/ pi = 30, so the answer is C. 30 in
User WhiteAngel
by
8.4k points
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