a pendulum swings through an angle of 30 degree and describe an Arc 8.8 CM in length. find the length of pendulum
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Answer:
16.8cm
Step-by-step explanation:
Here,
θ=30 (degree)
l=arc=8.8 cm
l= 0/360(degree)×2πr
8.8= 30/360×2 22/7×r
r= 8.8×6×7 =16.8cm
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