From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the center is 25 cm. The radius of the circle is ___ cm.
Given that PQ=24 cm and OQ=25 cm.
To find OP, we apply Pythagoras Theorem in △OPQ.
The length of a tangent from a point Q to a circle is 24 cm. The distance between Q and the center of the circle is 25 cm. The radius of the circle is _____ cm.