RS Aggarwal Class 10 Solutions Circles

Question 1:

PA is the tangent to the circle with center O and radius AO = 8 cm. The point P is at a distance of 17 cm from O.

In ∆ PAO, A = 90◦,

By Pythagoras theorem:

Hence, the length of the tangent = 15 cm.

RS Aggarwal Class 10 Solutions Circles