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rumus luas permukaan = 6r^2
=150:6
=25
r= 5
Volume kubus= r^3
= 5^3
= 125
*150cm" = 6.s"
150/6 = s"
25 = s"
5 = s
+ volumkubus = s"'
= 5"'
= 125cm"'
jadi,volume kubus dengan luar permukaan 150cm" adalah 125cm"'.