In triangle ABC, the angle is 90 •, AB = 4, BC = 2. Find sinA.
| September 8, 2021 | education
Given:
ABC – right triangle;
Angle C = 90 degrees;
AB = 4;
BC = 2;
Find sin a.
Solution:
In order to find the sin a of the triangle ABC, we use the formula:
sin A = BC / AB.
Substitute the known values into the formula and find sin a.
sin a = 2/4 = 1/2 = 0.5.
Answer: sin a = 0.5.
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