Answer:

Step-by-step explanation:
Let the unknown angle be x
As the interior angles in a triangle are added up to 180°

Hope this helps you.
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Answer:
121
Step-by-step explanation:
31+90 = 121
180 - 121 = 59
180 - 59 = 121
The equation of the line that has a slope of 3 and a y-intercept of -2 is:
<span>Y=3x-2, or B.</span>
Answer:
Please check out the attachments below to get the answer