Find the length of the tangent drawn to a circle of radius 3 cm, from a point at a distance 5 cm from the centre
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Step-by-step explanation:
Given: PQ is a tangent to the circle intersect at Q. OP = 5 cm and OQ = 3 cm.
To find: PQ
Proof:
In rt.△ OQP, by Pythagoras theorem
Therefore the length of the tangent from a point is 4 cm
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