In triangle ABC, angle C is 90 degrees, AB = 8, sin A = 0.5. Find the sun.
| January 13, 2021 | education
In triangle ABC AB – hypotenuse, AC and BC – legs. The BC leg is opposite to the angle A. The ratio of the opposite leg to the hypotenuse is equal to the sine of the angle, so sin A = BC / AB, hence BC = AB * sin A. By condition, AB = 8, sin A = 0.5, BC = 8 * 0.5 = 4.
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