How do i solve literal equations for the indicated variable
specifically solve a=2pir^2+2pirh for the variable pi

A = 2pir² + 2pirh   Factor out pi
A = (2r² + 2rh) pi   Divide both sides by (2r² + 2rh)
= pi   Flip the sides to make it easier to read
pi =   

“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 .