Choose the compatible number that will give the best estimate for 589\58

17 is c. congruent means equal in size

For me i think it'll land on blue

“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 .