Part 1
when is a quadrilateral both a trapezoid and a parallelogram? complete the explanation.
when there are two pairs of parallel lines, which are lines with the same slope 9.
part 2 out of 2
is a quadrilateral ever a parallelogram but not a trapezoid? complete the explanation.
,no), since a parallelogram is a quadrilateral with (no pair, two pairs, one pair) of parallel lines and a
trapezoid is a quadrilateral with at least (no pair, two pairs, one pair) of parallel lines, a quadrilateral can
(sometimes, never) be a parallelogram but not a trapezoid.