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What is the value of x

What is the value of x-example-1
User Gnawme
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The angle 130 degrees is 1 part of a straight line, and straight lines are 180 degrees. The angle right next to it, which is part of the triangle, is 50 degrees, because 130+?=180, so ?=50 degrees.

The degrees of a triangle always add to 180 degrees. Because we now know 2 of the angles, we can easily solve for the third:

50+53+x=180

x=180-50-53

x=77 degrees

User LaloInDublin
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