Question

Find the length of a tangent drawn from a point 10cm away from the centre of a circle of radius 6cm.

Answer 1

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Answer 2

Thank you for asking this question:

Here is your answer.

The question has some options too, below are the missing options:

a) √7 cm

b) 2√34 cm

c) 16 cm

d)8 cm

The correct answer is Option D: 8cm

In ΔOPQ, ∠Q = 90°

∴ OP² = OQ² + PQ²

10² = 6² + PQ²

PQ² = 100 - 36

= 64

PQ = 8 cm

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