The sides of a triangle measure 10 feet, 13 feet, and 17 feet. How would you explain to a friend that the triangle is not a right triangle? (please help I have no idea)

“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 .

Bis your answer rot d

21/2 hours=150 minutes150 minutes x 80 beats per minute= 12,000 beats in 2 1/2 hours