Tolong dijawab Besok dikumpul

Tolong dijawab Besok dikumpul

(4) L1=1/3 x la x t
= 1/3×3,14x8x8x16=64×16=1024×3,14=3215,36cm^2
L2= la x t
=3,14×16=50,24 x 8 x 8= 64×50,24=3215,36 cm^2
L3=1/3×3,14x8x8x16=64×16=1024×3,14=3215,36cm^2
L keseluruhan = 3215,36+3215,36+3215,36=9646,07

(5)
$l= frac{4}{3} times pi : {r}^{3} \ : : = frac{22}{7} times : 7 times 7 times frac{4}{3} : = 154 times frac{4}{3} \ : : = 205.33$