関連ワード:
a quadrilateral with four equal sides and angles is called a quadrilateral with four equal sides and 4 equal angles is called a quadrilateral with four equal sides and four right angles is called a quadrilateral with four equal sides but no right angle is called a quadrilateral with four equal sides and two pairs of equal angles is called a a quadrilateral with four equal sides and no right angles can be called a quadrilateral whose four sides and angles are equal is called a quadrilateral with opposite sides equal and four right angles is called a what is a quadrilateral with two equal parallel sides and four right angles called what is a quadrilateral with two equal parallel sides and four 90 degree angles called
