kak bisa tolong jawabin gk jgn asal asal lo ya klo asal asal aku laporin!!!! PLEASEEE.......
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L = 256 cm²
Penjelasan dengan langkah-langkah:
- L.alas = s x s
= 8 x 8
= 64 cm²
- L. sisi tegak
= 4 x L.segitiga
= 4 x (1/2 x 8 x 12)
= 4 x 48
= 192 cm²
Luas seluruhnya
= 64 + 192
= 256 cm²