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Gnom [1K]
3 years ago
14

Find the value of x. Round the length to the nearest tenth.

Mathematics
2 answers:
krek1111 [17]3 years ago
8 0

Answer:

<em>Answer is option</em><em> </em><em>d</em><em>)</em><em>7</em><em>.</em><em>9</em>

Step-by-step explanation:

by \: trignometric \: rule \\ we \: know \:   \cos(theta)  =  \frac{adjacent \: side}{hypotenuse}  \\ here \: theta = 44 \: degrees \:  \:  \\ hypotenuse = 11 \: ft \: and \:  \:  \: adjacent \:  = x \\ on \: substituting \: the \: values \: in \: formula \\  \cos(44)  =  \frac{x}{11}  \\ x = 11 \times  \cos(44)  \\ x = 11 \times 0.7193 \\ x = 7.91 \\ then \: adjacent \: value \: (x) = 7.9 \: ft \\

For the value of cos(44) you may use your calculator or log book.

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

larisa [96]3 years ago
3 0

Answer:

x = 7.9

Step-by-step explanation:

Given:  

Angle - 44

Hypotenuse - 11 ft

adjacent side - x

having adjacent and hypotenuse use Cosine to solve the problem from

S-oh C-ah T-oa

cos (angle) = adjacent / hypotenuse

**Make sure your calculator is in degree mode**

cos 44 = x/11

if you cross multiply, you get

11 cos 44 = x

or to solve for x you would multiply both sides by 11 and get

11 cos 44 = x

x = 7.9

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