13. In figure 3, AOB is a straigh line.
find x and also the measure of each
angle.
(5x+3)DEGREE
(X-9)DEGREE
Answers
Answered by
2
Answer:
(5x +3)+(x-9) =180
5x+x +3-9=180
6x -6 =180
6(x-1)=180
x-1 =180/6
x-1= 30
x=30+1
x=31
Step-by-step explanation:
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