Jawaban:
POQ-ROS= 0
(2x+11) - (3x-1)= 0
2x+11 - 3x+1= 0
-x+12= 0
-x= -12
x= 12
sudut QOR= 180 - sudut POQ
=180 - 2x+11
=180 - 2(12)+11
=180 - 24+11
=180 - 35
=145 derajat
Jawaban: C. 145
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Jawaban:
POQ-ROS= 0
(2x+11) - (3x-1)= 0
2x+11 - 3x+1= 0
-x+12= 0
-x= -12
x= 12
sudut QOR= 180 - sudut POQ
=180 - 2x+11
=180 - 2(12)+11
=180 - 24+11
=180 - 35
=145 derajat
Jawaban: C. 145