Question

17 says tell whether ab is tangent to circle c

Answer 1

AB is a tangent to circle C.

Explanation:

To be tangent CB should be perpendicular AB, so given triangle should be right one. Pythagorean theorem should be true.

52²=48²+(2*10)²

2704=2704

Given triangle is right triangle. m∠ABC=90°, so AB is a tangent to circle C.