Jawabanmu

2014-04-23T18:06:14+07:00
P + Q = 90'
3x - 9 + 2x + 4 = 90'
5x - 5 = 90'
5x = 95
x = 19
Sudut P = 3(19) - 9 = 48'
Sudut Q = 2(19) + 4 = 42'
Semoga membantu
#CMIIW
2014-04-23T18:17:53+07:00
(3x-9)+(2x+4)= 90
5x-5 = 90
5x= 90+5
x= 95/5 = 19

Maka p = 3x-9 = 3 X 19 - 9= 48