kak bantuin tolong ya no 41 sama 42 di jawab pake cara yang runtut

41. Vtabung = πr²t
=> Vt = 22/7 × 6² × 17,5
=> Vt = 22/7 × 36 × 17,5
=> Vt = 1980 cm³ (B)

42.Vprisma∆ = at∆/2 × tp
=>Vp∆ = 12×13/2 × 18
=>Vp∆ = 6 × 13 × 18
=>Vp∆ = 1404 cm³ (B)