A triangle’s angle of 50 degrees is five-ninths from its other corner. Find the 3rd corner of the triangle.
| September 1, 2021 | education
Since the angle of a triangle, which has a degree measure of 50 °, is 5/9 of the other angle of the triangle, then this other angle is 9/5 times the first angle:
50 ° * 9/5 = 90 °.
The sum of the angles of a triangle is 180 °, we find the third angle:
180 ° – 50 ° – 90 ° = 40 °.
Answer: 40 °.
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