関連ワード:
does a trapezoid have two pairs of parallel sides can a trapezoid have two pairs of parallel sides does a trapezoid have two sets of parallel sides does a trapezium have two pairs of parallel sides does a trapezoid have two pairs of parallel lines does a trapezoid always have two pairs of parallel sides can a trapezoid have two sets of parallel sides can a trapezium have two pairs of parallel sides does a trapezoid have one or two pairs of parallel sides does a trapezoid have two sets of parallel lines
