marimora5642 marimora5642

19-03-2021
Mathematics

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I need help on this !!!!!

I need help on this class=

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ilajnarian05 ilajnarian05

19-03-2021

Answer: 5.4

Step-by-step explanation:

Use cosine to find the adjacent side.

cosine = adjacent/hypotenuse

Substitute these values in the cosine equation:

cos(39) = x/7

7*cos(39) = x

Use a calculator to find the value of x:

x = 5.4

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