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23-09-2016
Mathematics

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For a circle of radius 8 feet, find the arc length s subtended by a central angle of 10 degrees.

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taskmasters taskmasters

27-09-2016

Given:
radius 8 feet

Solve for the circumference,

C = 2 π r
C = 2 * 3.14 * 8ft
C = 50.24 ft

A circle has 360°, we need to divide it by 10 degrees to compute for the arc length.

360° / 10° = 36

50.24 ft / 36 = 1.395 or 1.40 ft

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