The distance of a point from the centre of a circle is 17 mm

MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles

Problem

The distance of a point

P

from the centre of a circle is 17 mm, and the radius of the circle is 8 mm. Calculate, correct to one decimal place, the length of the tangent drawn from

P

to the circle in centimetres.

Related theory

Pythagoras' Theorem
Triangle Properties
Circles
Tangent length properties
Tangent theorem (radius perpendicular to tangent)

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