[tex]8). Lp \: balok + 4 \: luas \: sisi \: kubus \\ 2(p \times l + p \times t + l \times t) +( 4 \times s \times s) \\ 2(22 \times 6 + 22 \times 9 + 6 \times 9) + (4 \times 6 \times 6) \\ 2(132 + 198 + 54) + 144 \\ 2(384) + 144 \\ 768 + 144 \\ 912 \: {cm}^{2} \\ \\ 9). volume \: balok + prisma \: ∆\\ l(p \times t + \frac{a}{2} \times t \: ∆) \\ 17(17 \times 30 + \frac{8}{2} \times 15) \\ 17(510 + 60) \\ 17(570) \\ 9.690 \: {cm}^{3} \\ \\ 10).volume \: tabung + kerucut \\ \pi \times r \times r(tt + \frac{tk}{3} ) \\ \frac{22}{7} \times 7 \times 7(20 + \frac{15}{3} ) \\ 154(25) \\ 3.850 \: {cm}^{3} [/tex]
Itu jawabannya di atas ya:D
Kalo ada yang ga jelas tanya aja:)
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[tex]8). Lp \: balok + 4 \: luas \: sisi \: kubus \\ 2(p \times l + p \times t + l \times t) +( 4 \times s \times s) \\ 2(22 \times 6 + 22 \times 9 + 6 \times 9) + (4 \times 6 \times 6) \\ 2(132 + 198 + 54) + 144 \\ 2(384) + 144 \\ 768 + 144 \\ 912 \: {cm}^{2} \\ \\ 9). volume \: balok + prisma \: ∆\\ l(p \times t + \frac{a}{2} \times t \: ∆) \\ 17(17 \times 30 + \frac{8}{2} \times 15) \\ 17(510 + 60) \\ 17(570) \\ 9.690 \: {cm}^{3} \\ \\ 10).volume \: tabung + kerucut \\ \pi \times r \times r(tt + \frac{tk}{3} ) \\ \frac{22}{7} \times 7 \times 7(20 + \frac{15}{3} ) \\ 154(25) \\ 3.850 \: {cm}^{3} [/tex]
Itu jawabannya di atas ya:D
Kalo ada yang ga jelas tanya aja:)
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