Math, asked by Anonymous, 1 year ago

Calculate the length of tangent from a point 15cm away from the centre of a circle
of radius 9cm​

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Answers

Answered by riteshritx1
1

Answer:

Step-by-step explanation:

We know that tangent to a circle makes a right angle with radius.

∠OPQ = 90°

Applying Pythagoras

PQ2 = OP2 + OQ2

PQ2 = 92 + 152

PQ2 = 81 + 225

PQ2 = 306

PQ =  cm

Length of tangent =  cm

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