SOLUTION: what formula for a perimeter of a sector.eg 120 degree radius 7cm
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Question 164669: what formula for a perimeter of a sector.eg 120 degree radius 7cm
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
P = r*angle (angle in radians)
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120 degs = 2PI/3 radians
P = 7*2PI/3
P = apx 14.66 cm
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