A circle has a diameter of 10 cm. What is its circumference - mathselab.com

A circle has a diameter of 10 cm. What is its circumference?

Question:

A circle has a diameter of 10 cm. What is its circumference?



Options:

A) 3.14 cm 
B) 6.28 cm 
C) 10π cm 
D) 31.4 cm


Answer:

C) 10π cm



Solution:

Circumference = π * Diameter = π * 10 cm = 10π cm.

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