Question

the length of pendulum is 12.6cm and its angle is 30 degree find the length of arc​

Answer 1

Here,
Theta=30 degree
Length of the pendulum is 12.6cm
Since,
Length of arc= Theta/360 degree x2 πr
=30/360 x2x22/7x12.6
= 1/12x44/7x12.6
=554.4/84
= 6.6cm__Ans
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Answer 2

Step-by-step explanation:

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