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C = 172.7 cm Use the formula, c = ad, and x = 3.14, to find the diameter of this circle whose circumference equals 172.7 cm. A. 55 cm B. 27.5 cm O c. 542.278 cm D. 5.5 cm O E. 86.35 cm
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1 vote
C = 172.7 cm

Use the formula, c = ad, and x = 3.14, to find the diameter of this circle whose circumference equals 172.7 cm.
A. 55 cm
B. 27.5 cm
O c. 542.278 cm
D. 5.5 cm
O E. 86.35 cm

User Ravi Roshan
by
7.8k points

2 Answers

4 votes
55

172.7 divided by 3.14=55
User Afrederick
by
8.4k points
3 votes
I am hoping that the a in c = ad is supposed to be x.

The formula for circumference is c = pi * diameter with 3.14 substituting for pi.

Let’s plug in some values

172.7 = 3.14d

Divide

55 = d

The diameter should be 55 cm.
User Sjakobi
by
8.6k points
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