Question

A point P is 13 cm from the centre of the circle. The length of the tangent drawn from P to the circle is 12 cm. Find the radius of the circle.

Answer 1

this is the answerr to the given question. we have to use the property that a tangent to a given circle is perpendicular to the radius of the circle

Answer 2

Use pythogorean threoram
Let P be the extra. Point and I be the center of the circle. AP is the tangent
In triangle OAP
OA^2 +AP^2=OP^2
Apply the given values u will get the answer