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What's the question mark's angle?

 

 Apr 24, 2020
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Using verticle? i think thats the name... verticle angles mean that the angle beneath 45 is also 45, the one sidways up above 75 is 75, so 180-75-45 = 180-120 = 60. And now we add 60 to 79, and subtract that from 180, since it's a line, and get 41, and 180-68-41 = 71. 180-71 = 109.  That's your answer

 

if you don't understand feel free to ask

 Apr 24, 2020

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