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Verified answer
Lp kubus = 6 x sisi x sisi.150 = 6 x sisi x sisi.
25 = sisi x sisi.
sisi = akar pangkat dua dari 25 = 5.
Jumlah panjang rusuk = 12 x sisi.
= 12 x 5.
= 60 cm.
= √25
rusuk = 5m
jumlah rusuk = 12 x 5
= 60 m