Jawab:
Bangun Ruang
Kubus
panjang rusuk = s
panjang diagonal bidang = s√2
luas permukaan = 6s²
Penjelasan dengan langkah-langkah:
a) panjang rusuk = ...
Diagonal Bidang = √128
s√2 = √128
s= √128 / √2 = √64 = 8 cm
b) luas permukaan = 6 s²
LP = 6. 8²
LP = 384 cm²
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Verified answer
Jawab:
Bangun Ruang
Kubus
panjang rusuk = s
panjang diagonal bidang = s√2
luas permukaan = 6s²
Penjelasan dengan langkah-langkah:
Kubus
a) panjang rusuk = ...
Diagonal Bidang = √128
s√2 = √128
s= √128 / √2 = √64 = 8 cm
b) luas permukaan = 6 s²
LP = 6. 8²
LP = 384 cm²