Fi si awọn ayanfẹ
 
Yọ kuro lati awọn ayanfẹ

Agbegbe ti a parallelogram, agbegbe agbekalẹ isiro

Agbegbe ti a parallelogram, agbegbe agbekalẹ isiro faye gba o lati ri a agbegbe ti parallelogram, nipa awọn agbekalẹ, lilo ipari ti parallelogram mejeji.
a:   b:  

Agbegbe ti a parallelogram

Parallelogram ni a quadrilateral pẹlu meji orisii iru ẹgbẹ. Agbekalẹ fun agbegbe kan ti a ti parallelogram: P=2(a+b),
ibi ti a, b - mejeji ti a parallelogram