2 years ago

Find the circumference of the circle. r = 9 in. A. 56.52

Mathematics

2 answers:

Lyrx [107]2 years ago

7 0

Answer:

56.52

Step-by-step explanation:

Circumference is $C=2\pi r$

We are given the radius of 9 in.

Using 3.14 for pi:

$C=2 * 3.14 *9\\\\C=6.28*9\\\\\boxed{C=56.52}$

The circumference of the circle should be 56.52 inches, your answer should be correct.

dezoksy [38]2 years ago

5 0

Answer: 56.54866776... rounded to the nearest tenth

56.55

Step-by-step explanation:

The formula for circumference is $C = \pi d$ or $C = 2 \pi r$

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