Math, asked by renusree1529, 11 months ago

A pendulum swings through an angle of 60° and describes an arc 9cm in length. Find the length of the pendulum

Answers

Answered by classofankur

2

Answer:

theta/360 * 2 * pie * r = length of arc

60/360 * 2 * 22/7 * r = 9

44/42 * r = 9

44r = 42 * 9

r = 378/44 = 8.60 cm approx

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