Question

A pendulum of length 21 cm oscillates
through an angle of 36º. Find the length of its
path​

Answer 1

Step-by-step explanation:

length of the path=

$2\pi \: r \times 36 \div 360$

$2\pi \: 21 \times 0.1$

2 ×22/7×21×0.1

44×3×0.1

13.2Answer

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