Jawabanmu

2014-04-01T14:37:09+07:00
Keliling : 50 luas : 150 perbandingannya 1 : 3
1 1 1
2014-04-01T14:52:14+07:00
Luas = p x l = 15 . 10= 150 cm keliling = 2p + 2l = 30 + 20= 50 cm perbandingan 150 : 50 = 3: 1