The central

The central angle of a sector is 30° and the radius is 15 m. Determine its perimeter.

Correct result:

p =  7.854 m


α=30 rad=30 π180 =30 3.1415926180 =0.5236=π/6 r=15 m  p=α r=0.5236 15=7.854 m

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