6) How are a parallelogram and a trapezoid different?
 A A trapezoid has ony 1 pair of parallel sides, but a paralelogram has 2.
 C.B.A parallelogram has 4 right angles, but a trapezoid doesn't need to have 4 right
 angles
 CA parallelogram has only 1 pair of parallel sides, but a trapezoid has 2
 D A trapezoid has 4 night angles, but a parallelogram doesn't need to have 4 night
 angles