[tex]t = \sqrt{ {( {m}^{2} - ( a \div 2)}^{2} } \\ \sqrt{ {10}^{2} - (12 \div 2) {}^{2} }= \sqrt{ {10}^{2} - {6}^{2} } \\ \sqrt{100 - 36} = \sqrt{64} = 8 \\ \\ volume \: prisma \: segitiga \\ \frac{1}{2} \times alas \times t \: ∆\times t \: prisma \\ \frac{1}{2} \times 12 \: cm \times 8 \: cm \times 25 \: cm \\ 1.200 \: {cm}^{3} [/tex]
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[tex]t = \sqrt{ {( {m}^{2} - ( a \div 2)}^{2} } \\ \sqrt{ {10}^{2} - (12 \div 2) {}^{2} }= \sqrt{ {10}^{2} - {6}^{2} } \\ \sqrt{100 - 36} = \sqrt{64} = 8 \\ \\ volume \: prisma \: segitiga \\ \frac{1}{2} \times alas \times t \: ∆\times t \: prisma \\ \frac{1}{2} \times 12 \: cm \times 8 \: cm \times 25 \: cm \\ 1.200 \: {cm}^{3} [/tex]