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Dit luas permukaan ?
Peny.
a. mencari luas 1 bidang
L = s x s
= 12,4 x 12, 4
= 153,76
karena kubus memiliki 6 bidang maka di kali 6
= 153,76 x 6
=922,56 cm2
terima kasih
satu sisi = rusuk x rusuk = 12,4 x 12,4 = 153,76
Jadi jawabnya = 6 x (rusuk x rusuk) = 6 x 12,4 x 12,4 = 922,56 cm²
ThankYou :)