the angle of a sector is 120 degree and the length of the arc is 88cm then the radius of the circle is
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Let the radius be r
Length of arc=Angle/360 × 2πr
88 = 120/360 × 2× 22/7 × r
88 = 1/3 × 2× 22/7 × r
88 = 44/21 × r
2×21 = r
r = 42 cm
Length of arc=Angle/360 × 2πr
88 = 120/360 × 2× 22/7 × r
88 = 1/3 × 2× 22/7 × r
88 = 44/21 × r
2×21 = r
r = 42 cm
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