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2 years ago

Can you also explain the steps for it

Mathematics

1 answer:

Mila [183]2 years ago

6 0

Answer:

110 degrees

Step-by-step explanation:

A full rotation is 360 degrees, meaning if I turned completely around so that I am facing the exact same place as where I started, I will have turned 360 degrees.

So, If I were to turn 180 degrees, I would have turned half the amount of 360 degrees, and I would be facing the opposite direction in relation to where I started.

360 degrees is represented by a circle with two intersecting lines in the middle, and it looks like the file I attached

180 degrees, being half of 360, is represented by half a circle.

The picture in your question is also half a circle, just without the outer lines.

That means the entire angle is 180.

Knowing this, we can subtract 70 from 180 to get the degree measure for x.

180 - 70 = 110

Hope this helps, I don't know if I explained it very well.

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Answer:

B. 36+12sqrt(2)

Step-by-step explanation:

We can use Pitagoras' theorem to find the height of the triangle

15^2=9^2 + h^2

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Lets apply square root to the whole equation:

sqrt(h^2=144)

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With the height, we can now find the length of AC.

Sin(45)=12/AC.

AC=12/Sin(45)=24/sqrt(2)=12*sqrt(2) if we rationalize.

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where 9+x= BC

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Can you also explain the steps for it ​

Can you also explain the steps for it