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A 10 centimetre long tangent is drawn to a circle from a point 12 CM away from the centre of the circle find the radius of the circle |
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Answer» PQ=10cm OQ=12cm OP=? NOW by P.T OQ²=PQ²+OP² 12²=10²+OP² (12+10)(12-10)=OP 2√11=OP Radius=2√11 |
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