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58 = 2 . (3x + 2x)
58 = 2 . 5x
58 = 10x
x = 5.8
panjang = 5.8 x 2 = 11.6
lebar = 5.8 x 3 = 17.4
jadi luasnya
= p x l
= 11.6 x 17.4
= 201.84
semoga benar :)