An arc length 6 cm of a circle subtends an angle θ at the center O of diameter 4 cm. Find the value of θ?
Answer: 3 radians
Explanation
Given arc length = 6 cm, diameter = 4 cm, so radius = 2 cm.
Arc length = radius × θ (in radians)
6 = 2 × θ
θ = 6/2 = 3 radians.
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