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= 2(5x + 3x) = 48
=10x + 6x = 48
=16x =48
=x = 3
panjang : 5 . 3 = 15cm
lebar : 3 . 3 = 9cm
b. luas : p.l
= 15 . 9 = 135cm^2
48 = 2 x (5x + 3x)
48 = 10x + 6x
48 = 16x
x =
x = 3
p = 5 x 3
= 15cm
l = 3 x 3
=9cm
b. L = p x l
= 15 x 9
= 135
(Terimakasihnya ya...)
Jadiin yang terbaik ;)
Semoga membantu... :D