Plz help A rock climber makes several changes in position while attempting to scale a
cliff face. She ascends 15 feet, descends 7 feet, ascends 22 feet, descends
13 feet, and then ascends another 28 feet. What is her mean change in
position?

“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 .