Jawabanmu

2014-08-30T10:47:47+07:00
Jawaban paling cerdas!
2014-08-30T10:49:41+07:00
Besar PRQ atau PQR?

kalo yg ditanya PQR :
PSR = PQR
PQR = 140°
 
PRQ = PRS
PRS = 180°- (PSR+SPR)
PRS = 180°- (140°+30°)
PRS = 180°- 170°
PRS = 10°
PRQ = PRS = 10°
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