Question

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Q. Find the length of the tangent from a point M which is at a distance of 17 cm from the centre O of the circle of radius 8 cm.​

Answer 1

Answer:

Length of tangent (l) = 15cm

Step- by-step explanation:

Given Distance of point M from the centre (d) = 17cm,

radius of circle (r) = 8cm

Let length of the tangent = 1cm

l = root d square - r square

= root 17 square - 8 square

= root ( 17+8 ) (17-8)

= root 25×9

= 5×3

= 15 cm

Therefore,

Length of tangent ( l ) = 15 cm.

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