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Verified answer
V = p x l x t810 = 5x . 3x . 2x
810 = 30x^3
x^3 = 810 : 30
x^3 = 27
x = 3
Jadi,
Panjang = 5 x 3 = 15
Lebar = 3 x 3 = 9
Tinggi = 2 x 3 = 6
Luas permukaan balok = Lp
Lp = 2(P.L +P.T + L.T)
Lp = 2(15.9 + 15.6 + 9.6)
Lp = 2( 135 + 90 + 54 )
Lp = 2(279)
Lp = 558 !!!
Semoga bermanfaat dan semoga benar yaa:)