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vovangra [49]
3 years ago
14

Heyy could you help me out with this question I have been stuck in this question??​

Mathematics
1 answer:
sveta [45]3 years ago
3 0

Answer:

Choice A.

Step-by-step explanation:

tan < ABC = 60/40

So m < ABC = 56.31 degrees.

This makes m < DBC = 56.31 / 2 =  28.15 degrees

tan 28.15 = DC / 40

DC = 40 tan 28.15

= 21.407 ft.

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Answer:

Looking at the given points we know that it is going to be a triangle because it only have 3 points.  Therefore the figure is a triangle and the area formula would be A=\frac{1}{2}*b*h.

You can look at the attached graph and what we see is that our height of the triangle is from y=-3 to y=4 which means that our height is 7 units high.  We can also see that our base starts at x=-4 and ends at x=4 making us have a base of 8 units.

<u>We then plug in the values and solve</u>

A = \frac{1}{2}*7\ units * 8\ units

A = \frac{1}{2}*56\ units^2

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Therefore, the area of our triangle is 28\ units^2

Hope this helps!  Let me know if you have any questions

4 0
2 years ago
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Wittaler [7]

Answer:

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6 0
3 years ago
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Step-by-step explanation:

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