luas trapesium a:18cm b:25cm t:9cm pakai cara

Luas = (18+25) x 9/2
L = 43x9/2 = 387/2 = 193.5 cm

rumus trapesium: L= (a+b)×t/2
= (18cm+25cm)×9/2
= 43 cm×4,5=193,5 cm2
semoga dapat membantu