In triangle ABC, angle C = 90, AB = 20, BC = 16. Find sin A.
| September 24, 2021 | education
In triangle ABC, angle C = 90 °, AB = 20, BC = 16.
Find sin A.
In order to find the sin a of the triangle ABC, we use the formula:
sin a = BC / AB (ratio of the opposite leg to the hypotenuse);
Substitute the known values into the formula and find the sine of the angle a.
sin a = 16/20 = 4/5 = 0.8.
Answer: sin a = 0.8.
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