Jawabanmu

2014-04-30T11:48:31+07:00
2:3=2+3=5 d1= 192/5×2=76.8 cm d2 = 192/5×3=55.2 cm klo gk salah begini caranya
2014-04-30T17:02:01+07:00
Dik : L= 192 cm² , d₁ : d₂ = 2 : 3 
Dit : d₁ & d₂  ?
Jawab : 
L     =1/2 × d₁ ×d₂
192 = 1/2 × 2x × 3x
192 = 1x × 3x
192 = 3x²
x²      = 192/3
x       = √64
x        = 8
maka,d₁ = 2.8 = 16 cm
           d₂ = 3.8 = 24 cm
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