Jawaban:
1. volume balok
V= p x l x t
= 10 x 4 x 7
= 280cm ³
2. volume prisma segitiga
V= luas alas x t
= (1/2 x 32 x 24) x 42
= 1/2 x 32256
= 16.128 cm ³
3. volume limas segi empat
V= 1/3 x luas alas x tinggi
= 1/3 x 20 x 8 x 24
= 1/3 x 3840
= 1280cm³
4. volume tabung
V= luas alas x tinggi tabung
= π x r² x t
= 22/7 x 42 x 42 x 90
= 22 x 6 x 42 x 90
= 498.960 cm ³
5. volume kerucut
= 1/3 x π x r² x t
= 1/3 x 22/7 x 28 x 28 x 30
= 1/3 x 22 x 4 x 28 x 30
= 1/3 x 73920
= 24640 cm ³
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Jawaban:
1. volume balok
V= p x l x t
= 10 x 4 x 7
= 280cm ³
2. volume prisma segitiga
V= luas alas x t
= (1/2 x 32 x 24) x 42
= 1/2 x 32256
= 16.128 cm ³
3. volume limas segi empat
V= 1/3 x luas alas x tinggi
= 1/3 x 20 x 8 x 24
= 1/3 x 3840
= 1280cm³
4. volume tabung
V= luas alas x tinggi tabung
= π x r² x t
= 22/7 x 42 x 42 x 90
= 22 x 6 x 42 x 90
= 498.960 cm ³
5. volume kerucut
V= 1/3 x luas alas x tinggi
= 1/3 x π x r² x t
= 1/3 x 22/7 x 28 x 28 x 30
= 1/3 x 22 x 4 x 28 x 30
= 1/3 x 73920
= 24640 cm ³