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quigley523
20.10.2021 •
Mathematics
Find the exterior angle
Solved
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Ответ:
x = 128 degrees
Step-by-step explanation:
So we know that a triangle's interior angles should add up to 180 degrees.
We also know that when a triangle has that little square in a corner, that corner is equal to 90 degrees.
With these clues, we can figure out that the last interior angle is equal to:
180 - (38+90) = 52, however this isn't the answer we are looking for.
We also know that a straight line is 180 degrees. Therefore, to find the exterior angle we just subtract the interior angle from 180 degrees:
180 - 52 = 128
x = 128
Ответ:
4-7y
2
Step-by-step explanation:
^ thats a fraction but anyway i dont know what the choices were so I simplified it