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Find the angle in radians subtended at the centre of a circle of radius 5 cm by an arc of the circle whose length is 12 cm. |
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Answer» We know that: θ (radian) = \(\frac { arc\; length }{ radius }\) We have, radius = 5 cm and arc length = 12 cm θ = \(\frac { 12 }{ 5 }\) |
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