tolong dijawab beserta caranya bsk dikumpulin

5. a.
[tex]\pi \times {r}^{2} \times t \\ [/tex]
b.
[tex]a \times t \times tp[/tex]

5. a=22/7× 6 ×6 ×21
= 2.376cm3
b= luas alas prisma × tinggi prisma
= (a×t) : 2 = (6 × 4) :2 =12cm3
= 12 × 5 =60 cm3

maaf kalo salah