" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
panjang diagonal ruang kubus = 30cm
Dit: Luas permukaan kubus (Lp)....?
jawab:
panjang diagonal ruang kubus = s√3
30 = s√3
s = 30/√3 cm²
,
Lp = 6s²
Lp = 6(30/√3)²
Lp = 6(30²/(√3)²)
Lp = 6 (900/3)
Lp = 6 (300)
Lp = 1800cm²