Jawabanmu

2014-01-15T18:37:34+07:00
2x + 3x + 5x = 180
             10x = 180
                 x = 18

2x = 2 . 18
    = 36

3x = 3 . 18
     = 54

5x = 5 . 18
    = 90

2 3 2
2014-01-15T18:44:30+07:00
A=2,b=3.c=5 = 180 drajat
180/2+3+5=180/10=18
sehingga = a=2.18=36 , b=3.18= 54 , c=5.18=90
ditotalkan tetap 180 derajat,thanks