Question

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

Answer 1

17cm only you do not how to do that

Answer 2

Answer:

Since, MN is the tangent of the circle,

∠MNO = 90⁰

⟹ MO² = MN² + ON²

⟹ 17² = MN² + 8²

⟹ 289 = MN² + 64

⟹ 289 – 64 = MN²

⟹ MN² = 225

⟹ MN = 15

∴ The length of the tangent is 15 cm.