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The radius of a circle is 7 kilometers. What is the length of a 90° arc?
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The radius of a circle is 7 kilometers. What is the length of a 90° arc?

User Yunzen
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2 Answers

4 votes

Answer:

Explanation:

User Torin Finnemann
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0 votes

Find the length of the circumference:

Circumference = 2 x pi x radius

Circumference = 2 x 3.14 x 7

Circumference = 43.96 kilometers

90 degrees is 1/4 of a circle ( 360/4 = 90)

Arc length = 43.96/4 = 10.99 kilometers

(Round answer as needed)

User Kedare
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7.8k points
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