Bantu jawab kk..
please..
please..
Lp bangun ruang gabungan:
[tex] lp_{kubus} = 6. {s}^{2} \\ = 6 \times 12 \times 12 \\ = 864 \: {cm}^{2} [/tex]
[tex]lp_{limas} = la + ls \\ = ( {s}^{2} ) + (4 \times l_{sisi \:tegak }) \\ = (12 \times 12) + (4 \times 24) \\ = 144 + 96 \\ = 240 \: {cm}^{2} [/tex]
[tex] lp_{gab} = lp_{kubus} + lp_{limas} \\ = 864 + 240 \\ = 1104 \: {cm}^{2} [/tex]
@tianichx
Semoga Membantu
maaf kalo salah
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