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l=2
t=1
L=306
V=p x l x t
= 5 x 2 x 1
=10
306 = 2 [(5x. 2x ) + (5x.x)+( 2x.x)]
153= 10x2 + 5x2 + 2x2
153 = 17x2
x2= 153/17
x2=9
x= akar 9
x=3
p= 5x= 5.3=15
l=2x=2.3=6
t=x=3
V= p.l.t
V= 15. 6. 3 = 270
x2 itu x kuadrat / x pangkat 2