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Lorico [155]
3 years ago
5

Find the value of x. Round the length to the nearest 10th the diagram is not shown to scale

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
6 0
In the given diagram:
measure angle DAB + measure angle BAC = 90 degrees
we are given that measure angle DAB = 10 degrees
Therefore:
measure angle BAC = 90 - 10 = 80 degrees

Now, triangle ABC is a right-angled triangle which means that we can use the trigonometric functions.
The function that we will use is:
cos theta = (adjacent) / (hypotenuse) where
theta = 80 degrees
adjacent = 500
hypotenuse is "x" that we want to calculate.

Substitute to get x as follows:
cos 80 = 500 / x
x = 500 / cos 80 = 500 / 0.1736 = 2879.4 m

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3 0
3 years ago
Lisa has a rectangular drawing that is 43.5 centimeters by 934 millimeters. How many centimeters of wood framing will she need?
KIM [24]
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but 1 cm =10 mm
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Step-by-step explanation:

7 0
3 years ago
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lara [203]

Answer:

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3 0
3 years ago
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