Jawabanmu

2014-04-21T07:36:03+07:00
Misal:p=4x ; l=3x ; t= 2x panjang kerangka balok = 4×(p+l+t) 180 cm = 4.(4x+3x+2x) 180=4.9x 180=36x x=180 /36 x=5 cm P=4x =4x5=20 cm L=3x=3x5=15 cm T=2x=2x5=10cm ditanya:volume balok? jawab: volume balok= p.l.t =20x15x10 =3000 cm kubik
2014-04-21T09:10:25+07:00
Panjang kerangka balok= =4×(p+l+t) 180 cm =4×(4×3×2)180 cm= 4.9x 180=36x x=180/36 x=5 c P=4x=4×5= 20 cm L=3x=3×5=15 cm T=2x=2×5=10 cm jawaban balok = p.l.t=20.15.10= 3000 cm kubik semoga membantu:)