In an examination 70% of examine pass in Science 75% in maths 10% failed in both subjects if 220 examine pass in both subject find the total number of examine

“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 .