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The diameter of a circle measures 18cm. What is the circumference of the circle? Use 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer…

The diameter of a circle measures 18cm. What is the circumference of the circle? Use 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer…
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3 votes
The diameter of a circle measures 18cm. What is the circumference of the circle?

Use 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer.

asked
User Keith Johnson
by
8.2k points

1 Answer

7 votes

Answer:

56.52cm

Explanation:

2r = 18cm

r = 9cm


c = 2r\pi

C = 2 × 9 × 3.14

C = 56.52cm

answered
User Jon Uleis
by
7.8k points
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