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https://static.k12.com/nextgen_media/assets/8123391-NG_IMB_IT_03_DP001_91_002.png

Just answer this, please, and thank you.

off-topic
 Feb 25, 2020
edited by bruhexe  Feb 25, 2020
 #1
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The answer to X is 20

 Feb 25, 2020
 #2
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The two angles, xo and 60o, form an angle that is a vertical angle to the 100o angle.

     xo + 60o  =  100o

Therefore,  xo  =  40o.

 Feb 26, 2020

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