Fi si awọn ayanfẹ
Yọ kuro lati awọn ayanfẹ
Agbegbe ti a parallelogram, parallelogram agbegbe agbekalẹ isiro
Agbegbe ti a parallelogram, parallelogram agbegbe agbekalẹ isiro faye gba o lati ri ohun agbegbe ti a parallelogram, nipasẹ awọn fomula, lilo ipari ti parallelogram mejeji, iga, diagonals ati igun laarin wọn.