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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.
a:   b:   c:   d:  

Azungezwe we trapezoid

Trapezoid kuyinto quadrilateral convex okungenani pair of ezinhlangothini parallel, ebizwa ngokuthi lezisekelo we trapezoid, kanye nezinye izinhlangothi ezimbili zibizwa ngokuthi imilenze noma izinhlangothi lateral.
Formula for azungezwe unxantathu: P=a+b+c+d,
lapho a, b, c, d - izinhlangothi a trapezoid