Break apart and distribute to solve 72÷8
72÷8=(40÷8)+÷8)
=5+
=

Hmmm i had this before , give me a sec

“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 .