jaimel431 jaimel431

21-05-2018
Mathematics

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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 class=

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mellissapeters mellissapeters

21-05-2018

the answer is D) 9.1.

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carlosego carlosego

22-05-2018

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

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