Question

Find the length of the tangent from a point M which is at the distance of 17 cm from the centre o of the circle of radius 8 cm

Answer 1

hope this help you
the ans =15

Answer 2

Answer:

$Length \: of \: tangent (l)= 15\:cm$

Step-by-step explanation:

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

radius of the circle (r) = 8 cm

Let Length of the tangent = l cm

$l = \sqrt{d^{2}-r^{2}}\\=\sqrt{17^{2}-8^{2}}\\=\sqrt{(17+8)(17-8)}\\=\sqrt{25\times 9}\\=5\times 3\\=15\:cm$

Therefore,

$Length \: of \: tangent (l)= 15\:cm$

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