[tex]s = \sqrt{ {r}^{2} + {t}^{2} } = \sqrt{ {5}^{2} + {12}^{2} } \\ \sqrt{25 + 144} = \sqrt{169} = 13 \\ \\ LP \: tabung \: dan \: kerucut \\ \pi \times r(r + s + 2tt) \\ \frac{22}{7} \times 5(5 + 13 + 2(5)) \\ \frac{110}{7} (28) \\ 440 \: {cm}^{2} \: (d)[/tex]
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[tex]s = \sqrt{ {r}^{2} + {t}^{2} } = \sqrt{ {5}^{2} + {12}^{2} } \\ \sqrt{25 + 144} = \sqrt{169} = 13 \\ \\ LP \: tabung \: dan \: kerucut \\ \pi \times r(r + s + 2tt) \\ \frac{22}{7} \times 5(5 + 13 + 2(5)) \\ \frac{110}{7} (28) \\ 440 \: {cm}^{2} \: (d)[/tex]