Engeza kuzintandokazi
Susa kusukela kuzintandokazi
Azungezwe we trapezoid, azungezwe formula wokubala
Azungezwe we trapezoid, azungezwe formula wokubala ikuvumela ukuba uthole azungezwe of trapezoid, by the formula, besebenzisa ubude bazo zonke izinhlangothi trapezoid.