Square root of 135bc^2d^3 x square root of 5b^2d

“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 .

Ithink it’s d as the answer.

Are you asking for 6 or 15?