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What is the legth X of the side of the triangle below?
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What is the legth X of the side of the triangle below?

What is the legth X of the side of the triangle below?-example-1
User SkyzohKey
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5.3k points

2 Answers

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the answer is D) 9.1. 
User Lampak
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5.0k points
2 votes
For this case we have the following trigonometric relationship:
cos (25) = x / 10
From here, we must clear the value of x.
We have then:
x = 10 * cos (25)
x = 9.06307787
Rounding the result we have:
x = 9.1
Answer:
x = 9.1
option D
User Jcompetence
by
5.0k points
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