Jawabanmu

2014-02-05T21:04:28+07:00
2(2x-5) + 2x = 44
4x - 10 + 2x = 44
6x = 54
x = 9
jadi panjangnya 2x-5= 2(9)-5= 18-5= 13
lebarnya 9
Luas =13 x 9 = 117 cm²
2014-02-05T21:04:38+07:00