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In the right triangle ABC, The hypotenuse AB = 15 cm, and B = 25 degree. How long is BC to the nearest centimeter?

Correct answer:

BC =  14 cm

Step-by-step explanation:

AB=15 cm B=25   cos B = BC : AB  BC=AB cosB=AB cos25° =15 cos25° =15 0.906308=14=14 cm

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Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

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