Given AB = BD, BC bisects

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Describe the relationship between the angles of similar triangles and the sides of similar triangles