kak tlong jawb pakek cara y.. pliss bsok mau d kumpulin

Vol = L alas × tinggi
Vol = 1/2 × 6 × 8 × 5
Vol = 3 × 40 = 120 cm^3 (A)

Semoga membantu ^^

prisma segitiga 

V = L alas xt prisma 
    =1/2 at x T
    = 1/2 x 8x 6 x 5 
   = 4x6 x 5
   = 120 cm ³