AB is tangent to circle O. Given that AO = 48 inches and BC = 25 inches, calculate AB.

Your pictures are upside down

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .