Jawabanmu

2014-05-06T20:06:49+07:00
Garis Bagi = sudut sama
4x+3 = 5x-5
-x =-8
x=8

PRS=QRS= 4(8)+3 =35
RSQ = 35+60+x=180
         =85
PSR = 180-85 = 95
Semoga benar :D