The radius of a circle is 7 kilometers. What is the length of a 90° arc?
1 answer:
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)
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170696 is the answer fellow user
