Jawaban:
B. 1.232 cm²
Penjelasan dengan langkah-langkah:
Mencari Luas permukaan(Lp) Tabung:
[tex]lp = 2 \times \pi \times r \times (r + t)[/tex]
[tex]lp = 2 \times \frac{22}{7} \times 7 \times (7 + 21)[/tex]
[tex]lp = 2 \times 22 \times 1 \times (7 + 21)[/tex]
[tex]lp = 44 \times 28[/tex]
[tex]lp = 1 \: 232 \: cm {}^{2} [/tex]
Semoga Membantu
^_^
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Jawaban:
B. 1.232 cm²
Penjelasan dengan langkah-langkah:
Mencari Luas permukaan(Lp) Tabung:
[tex]lp = 2 \times \pi \times r \times (r + t)[/tex]
[tex]lp = 2 \times \frac{22}{7} \times 7 \times (7 + 21)[/tex]
[tex]lp = 2 \times 22 \times 1 \times (7 + 21)[/tex]
[tex]lp = 44 \times 28[/tex]
[tex]lp = 1 \: 232 \: cm {}^{2} [/tex]
Semoga Membantu
^_^