180 Days of Practice for Fifth Grade (Set of 3), 5th Grade Workbooks for Kids Ages 9-11, Inc

180 Days of Practice for Fifth Grade (Set of 3), 5th Grade Workbooks for Kids Ages 9-11, Inc

Matematika Sekolah Menengah Pertama tentukan volume dan luas permukaan prisma tersebut​

tentukan volume dan luas permukaan prisma tersebut​

Volume

[tex]\sf V=luas~alas\times tinggi~prisma[/tex]

[tex]\sf V = \frac{a \: \times \: t}{2} \times tinggi \: prisma[/tex]

[tex]\sf V = \frac{ \cancel8 \: \times \: 6}{ \cancel2} \times 15[/tex]

[tex]\sf V = 4 \times 6 \times 15[/tex]

[tex]\sf V = 24 \times 15[/tex]

[tex]\bf V = 360 \: {cm}^{3} [/tex]

[tex]~[/tex]

Luas Permukaan

[tex]\sf Lp = (2 \times L{segitiga}) + (K_{alas} \times t{prisma})[/tex]

[tex]\sf Lp = (2 \times \frac{a \: \times \: t}{2} ) + ((a + b + c)\times 15)[/tex]

[tex]\sf Lp = (2 \times \frac{ \cancel8 \: \times \: 6}{ \cancel2} ) + ((8 + 6 + 10) \times 15)[/tex]

[tex]\sf Lp = (2 \times 4 \times 6) + (24 \times 15)[/tex]

[tex]\sf Lp = 48 + 360[/tex]

[tex]\bf Lp = 408 \: {cm}^{2} [/tex]

[tex]~[/tex]

Jadi, jawaban yang tepat adalah..

[tex]\large\purple{\boxed{\blue{\bf V = 360~cm^3}, \green{ \bf \: Lp = 408~cm^2}}}[/tex]

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