volume bangun tersebut

jawab

Alas = trapesium

Luas  trap  = A = 1/2 (8+17)(18) = 225
t bangun = 10 cm

V = A x t = 2.250 cm³

prisma trapesium

V = L alas x tinggi
    = 1/2(a+b)xt xTprisma
   = 1/2 (8+17)x18x10
    = 1/2 (25)x18x10
    =2.250 cm³

jawab.D