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15-08-2020
Mathematics

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What is the length of the arc on a circle with radius 16 inches intercepted by a 45° angle?

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15-08-2020

Find the circumference:

Circumference = 2 x PI x radius:

Circumference = 2 x 3.14 x 16 = 100.48 inches.

A full circle is 360 degrees, a 45 degree angle is 1/8 of a full circle.

Arc length = 100.48 / 8 = 12.56 inches.

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