Salah satu panjang diagonal kubus 18 cm. Luas kubus tersebut adalah .... cm2.
Penjelasan:
a = rusuk kubus
=18
3a
2
=324
a
2
=108
luas permukaan kubus
6 {a}^{2} = 6 \times 108 = 6486a
2
=6×108=648
[answer.2.content]101 Rescue Puppies: One Family’s Story of Fostering Dogs, Love, and Trust
101 Rescue Puppies: One Family’s Story of Fostering Dogs, Love, and Trust
Penjelasan:
a = rusuk kubus
=18
3a
2
=324
a
2
=108
luas permukaan kubus
6 {a}^{2} = 6 \times 108 = 6486a
2
=6×108=648
[answer.2.content]