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Find the value of x.

 

 Sep 4, 2020
 #1
avatar+781 
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5x and the right angle+15 are vertical angles so they are equal. 

 

5x=90+15

5x=105

x=21

 Sep 4, 2020
 #2
avatar+230 
0

Let us denote the center as point o.

So angle NOL is 180-90-15=75 and so 5x=180-75 so 5x=105 ad x=21

21 is our solution.

 Sep 4, 2020

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