Yahikos = 8 cm d = s√2 = 8√2 cm ← diagonal L = d * s = 8√2 * 8 = 64√2 satuan luas
Jadi Jawabannya C
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desakputu186
Dik: panjang rusuk kubus 8cm dit:Luas bidang diagonal kubus? jawab: luas bidang diagonal kubus:s kuadrat√2 =8 kuadrat√2 =64√2 cm persegi (C)
d = s√2 = 8√2 cm ← diagonal
L = d * s = 8√2 * 8
= 64√2 satuan luas
Jadi Jawabannya C