<prompt> Qedela umusho olandelayo ngokukhetha okungcono: indlela yokuthola ububanzi be-trapezoid Ongakhetha kukho: - I-perimeter engeza ubude bazo zonke izinhlangothi P a b1 b2 c x b1 - I-perimeter engeza ubude bazo zonke izinhlangothi P a b1 b2 c Impendulo:  <response>: I-perimeter engeza ubude bazo zonke izinhlangothi P a b1 b2 c 