the angle of a sector is 60 degree and its radius is 21cm then the length of its arc is
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Length of arc = Angle/360 × 2πr
= 60/360 × 2× 22/7 × 21
= 1/6 × 44 × 3
= 44/2
Length of arc = 22 cm
= 60/360 × 2× 22/7 × 21
= 1/6 × 44 × 3
= 44/2
Length of arc = 22 cm
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