Jawaban:
301,44 cm²
Penjelasan dengan langkah-langkah:
[tex]s = \sqrt{ {r}^{2} + {t}^{2} } \\ = \sqrt{ {6}^{2} + {8}^{2} } \\ = \sqrt{36 + 64} \\ = \sqrt{100} = 10 \: cm[/tex]
[tex]lk = \pi \times r \times (r + s) \\ = 3.14 \times 6 \times (6 + 10) \\ = 18.84 \times 16 = 301.44 \: {cm}^{2} [/tex]
ket :
s = garis pelukis
lk = luas permukaan kerucut
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Verified answer
Jawaban:
301,44 cm²
Penjelasan dengan langkah-langkah:
[tex]s = \sqrt{ {r}^{2} + {t}^{2} } \\ = \sqrt{ {6}^{2} + {8}^{2} } \\ = \sqrt{36 + 64} \\ = \sqrt{100} = 10 \: cm[/tex]
[tex]lk = \pi \times r \times (r + s) \\ = 3.14 \times 6 \times (6 + 10) \\ = 18.84 \times 16 = 301.44 \: {cm}^{2} [/tex]
ket :
s = garis pelukis
lk = luas permukaan kerucut