“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 .
Another question on Mathematics
Mathematics, 21.06.2019 14:20
What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?