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A wheel has a diameter of 21 inches. Approximately how far does it travel in 3 revolutions? A. 63 in. B. 65.94 in. C. 98.91 in. D. 197.82 in.
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3 votes
A wheel has a diameter of 21 inches.

Approximately how far does it travel in 3 revolutions?

A.
63 in.

B.
65.94 in.

C.
98.91 in.

D.
197.82 in.

User Andrei Shikalev
by
8.4k points

2 Answers

1 vote
It is D. 197.82 in because 21x3.14 that is 65.94 and then x that by 3 
User Knookie
by
7.3k points
2 votes
Find the circumference and multiply it by 3.

C = pi * d

C = 3.14 * 21

C = 65.94

So it travels 65.94 inches in 1 revolution.

65.94 * 3 = 197.82

So it travels 197.82 inches in 3 revolutions.
User Josefine
by
8.2k points
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