関連ワード:
which quadrilaterals have two pairs of opposite parallel sides which quadrilateral has two pairs of opposite parallel sides which quadrilaterals have both pairs of opposite sides parallel which quadrilaterals have two pairs of opposite sides equal which quadrilaterals have 2 pairs of opposite sides parallel which quadrilateral has both pairs of opposite sides parallel which quadrilateral has two pairs of opposite sides equal which quadrilateral has both pairs of opposite sides equal which one of these quadrilaterals has two pairs of opposite parallel sides quadrilaterals that have two pairs of opposite equal sides are called parallelograms
