Find the inner angle of a triangle if the sum of the two outer angles that are not adjacent to the given one is 237 degrees.
| September 1, 2021 | education
Find the third outer corner of the triangle, knowing that the sum of the outer angles is 360 °.
360 ° – 237 ° = 123 ° is the third outer corner.
It is adjacent to the interior angle to be found:
180 ° – 123 ° = 57 ° is the desired inner angle.
Answer: 57 ° is the inner angle of the triangle.
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