Explane how you know that 7/12 is greater than 1/3 but less than 2/3?

“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 .

These graph is cross the yaxis and x axis two ways.

Ithink it’s a as the answer.