Find the length of an arc of a circle of diameter 20 cm which subtends – InterviewSolution

1.

Find the length of an arc of a circle of diameter 20 cm which subtends an angle of 45° at the centre?

Answer»

RADIUS = 10cm

circumference = 2Πr

2×22×10/7

440/7

l= 45/360

l = 5/40

l = 5/40×440/7

l= 55/7

l = 7.8

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