17 says tell whether ab is tangent to circle c

AB is a tangent to circle C.

Step-by-step 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.

366

step-by-step explanation:

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