関連ワード:
do all trapezoids have four congruent sides do all rectangles have four congruent sides do all trapezoids have four equal sides do all trapezoids have 4 equal sides do all rectangles have 4 congruent sides do all rectangles have four equal sides do all rectangles have 4 equal sides do all trapezoids have four equal length sides do trapezoids have four congruent sides do all trapezoids have 4 equal length sides
