No 7 Cari luas , No 8 cari volume prisma, No 9 Cari Volume

7) Luas = L persegi + L lingkaran
=14.14 +22/7 .7.7
=196+154=350 cm^2

8) volume = Luas alas.tinggi
=1/2.8.6.15
=360 cm^3

9) volume = Luas alas . Tinggi
=3.14.10.10.10
=3.140 cm^3