In a right-angled triangle ABC, angle C = 90 degrees, angle A = 59 degrees. Find angle B.
| January 3, 2021 | education
In a triangle, the sum of the angles is 180 °:
A + B + C = 180 °.
In the problem, the angles C = 90 ° and A = 59 ° are known, we find the angle B:
B = 180 ° – C – A;
We substitute their numerical values instead of angles A and C, we get:
B = 180 ° – 90 ° – 59 °;
B = 90 ° – 59 °;
B = 31 °.
Angle B is 31 °.
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