TRAPESIUM A=24 CM T=24 CM L=648 CM2 BERAPA B TRAPESIUM?

B=648×2÷24-24
=30
* maaf kalo salah

L trapesium = 1/2 * (a+b) * t
(a+b) =L : 1/2 *t
24 +b = 648 : 1/2*24 
          = 648 : 12
          =54
        b=54 -24
          = 30

jadi b trapesium = 30

semoga bantu yaaa