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48a kuadrat + 36a kuadrat + 24a kuadrat = 432 kuadrat
108a kuadrat = 432 kuadrat
6akar3 a = 12akar3
6a=12
a=2
6a = 6 x 2 = 12
4a = 4 x 2 = 8
3a = 3 x 2 = 6
432m2= 2((6x x 4x) + (6x x 3x) + (4x x 3x))
432m2= 48x2 + 36x2 + 24x2
432m2= 108x2
x2= 432 : 108
x2= 4
x= akar dari 4
x= 2
P= 6x= 6(2)= 12m
L= 4x= 4(2)= 8m
T= 3x= 3(2)= 6m