Jawaban:
[tex]1. \: luas = \\ (2 \times 3.14 \times 4 \times 4) + (3.14 \times 8 \times 8) \\ 100.48 + 200.96 \\ = 301.44 \: {cm}^{2} \\ volume = \\ 3.14 \times 4 \times 4 \times 8 \\ = 401.92 \: {cm}^{3} [/tex]
[tex]2. \: luas = \\ (10 \times 10) + (4 \times \frac{1}{2} \times 10 \times 13) \\ 100 + 260 \\ = 360 \: {cm}^{2} \\ volume = \\ \frac{1}{3} \times (10 \times 10) \times 12 \\ \frac{1}{3} \times 100 \times 12 \\ = 400 \: {cm}^{3} [/tex]
[tex]3. \: luas = \\ 4 \times 3.14 \times 6 \times 6 \\ = 452.16 \: {cm}^{2} \\ volume = \\ \frac{4}{3} \times 3.14 \times 6 \times 6 \times 6 \\ = 904.32 \: {cm}^{3} [/tex]
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Jawaban:
[tex]1. \: luas = \\ (2 \times 3.14 \times 4 \times 4) + (3.14 \times 8 \times 8) \\ 100.48 + 200.96 \\ = 301.44 \: {cm}^{2} \\ volume = \\ 3.14 \times 4 \times 4 \times 8 \\ = 401.92 \: {cm}^{3} [/tex]
[tex]2. \: luas = \\ (10 \times 10) + (4 \times \frac{1}{2} \times 10 \times 13) \\ 100 + 260 \\ = 360 \: {cm}^{2} \\ volume = \\ \frac{1}{3} \times (10 \times 10) \times 12 \\ \frac{1}{3} \times 100 \times 12 \\ = 400 \: {cm}^{3} [/tex]
[tex]3. \: luas = \\ 4 \times 3.14 \times 6 \times 6 \\ = 452.16 \: {cm}^{2} \\ volume = \\ \frac{4}{3} \times 3.14 \times 6 \times 6 \times 6 \\ = 904.32 \: {cm}^{3} [/tex]