Stephanie just redecorated her bedroom. she wants to paint her door green but needs to know the surface area of the door to see if she has enough paint.

what is the surface area of the door?

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.