Jawabanmu

2013-12-11T01:14:15+07:00
X = y+5 (Panjang)
y = (Lebar)

Jadi,
Keliling persegi panjang = Panjang x lebar
110 = y+5 x y
110 =  y^{2} + 5
110-5 =  y^{2}
105 =  y^{2}
 \sqrt{105} = y
10,24 = y

x = y+5
x = 10,24 + 5
x = 15,24