Jawabanmu

2014-04-27T11:42:43+07:00
L = a.t
162 = a.2a
162 = 2a²
162/2 = a²
√81 = a
9 = a

t= 2a=2.9=18
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2014-04-27T11:45:06+07:00
Jika t = 2a
luas = a x t
162 = a x 2a
2a kuadrat = 162
a kuadrat = 81
a = 9
t = 2 x 9 = 18

Semoga bermanfaat
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