bantuin ka pliss.....
Jawaban:
[tex]864 \: {cm}^{2} [/tex]
Penjelasan dengan langkah-langkah:
[tex]lp = 6 \times {r}^{2} \\ lp \: kubus = 6 \times {12}^{2} \\ = 6 \times 144 \\ = 864 \: {cm}^{2} [/tex]
= 6 × s²
= 6 × 12²
= 6 × 144
= 864 dm²
= 8640 cm²
[tex]\small\boxed{\tt{By:CeLLSya}}[/tex]
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