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Zanzabum
3 years ago
7

How to work this out? In a circle with an 8-inch radius, a central angle has a measure of 60°. How long is the segment joining t

he endpoints of the arc cut off by the angle?

Mathematics
2 answers:
puteri [66]3 years ago
5 0

Answer:

The length of segment joining the endpoints of the arc is 8\ in

Step-by-step explanation:

we know that

In the triangle ABC

see the attached figure to better understand the problem

AC=BC -----> is the radius of the circle  

m

m ----> given problem (central angle)

Initially the triangle ABC is an isosceles triangle

Remember that

the sum of the internal angles of triangle must be equal to 180\°

For this particular case, the isosceles triangle ABC becomes an equilateral triangle, as the three angles are equal to 60\°

The equilateral triangle has three equal sides and tree equal angles

so

AC=BC=AB

Hence

The length of segment joining the endpoints of the arc is 8\ in



Vlad [161]3 years ago
4 0

The segment joining the endpoints of the arc cut off by the angle is 8 inches long. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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Mr. Mole's burrow was at an altitude of 6 meters below the ground.

Step-by-step explanation:

Step 1:

We need to determine the distance that Mr. Mole covers in a single minute.

To do that we divide the difference in values of altitude by the difference in the time periods.

For the first case, Mr. Mole had traveled -18 meters in 5 minutes.

We also have, he traveled -25.2 meters in 8 minutes.

Step 2:

The distance he covered in 1 minute = \frac{-25.2-(-18)}{8-5} = \frac{-25.2+18}{3},

\frac{-25.2+18}{3} = \frac{-7.2}{3} = -2.4.

So with every minute, Mr. Mole digs down an additional 2.4 meters below the surface.

To determine where Mr. Mole's burrow is we subtract the distance traveled in 5 minutes from -18.

The altitude of Mr. Mole's burrow = -18 - 5(-2.4) = -18+12 = -6.

So Mr. Mole's burrow was at an altitude of 6 meters below the ground i.e. -6 meters.

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vivado [14]
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Karolina [17]
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tester [92]

Hello!

Here are the steps to your problem:

3x + 5 = x - 3

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I hope this helps you! Have a lovely day!

-Mal

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3 years ago
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2. The Martian Zoological Society has a unique display of the native monocephalous fauna:
german

Answer:

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Step-by-step explanation:

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