Find the angle C of the triangle ABC, if the angle A is 84 °, the angle B is 45 °.
| April 26, 2021 | education
To solve this problem, we use the rule: the sum of the angles of a triangle is 180˚.
This means that in the ABC triangle:
Angle A + angle B + angle C = 180˚;
Angle C = 180˚ – angle A – angle B.
Angle C = 180˚ – 84˚ – 45˚ = 96˚ – 45˚ = 51˚.
Answer: angle C = 51˚.
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