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Serggg [28]
2 years ago
6

A circle with a circumference 120, degrees central angle.What is the length of the arc?

Mathematics
1 answer:
Mrrafil [7]2 years ago
8 0

Answer:  arc\ length=6

Step-by-step explanation:

The complete exercise is: "A circle with circumference 18 has an arc with a 120° central angle. What is the length of the arc?"

For this exercise you need to remember the folloowing:

1. The circumference of a circle can be found with this forrmula:

C=2\pi r

Where "r" is the radius of the circle

2. The Arc length can be calculated with the following formula:

arc\ length=2\pi r(\frac{C}{360})

 Where "r" is the radius.

In this case, you know that the circumference of this circle is 18. Then, yoy can identify that:

2\pi r=18

So, knowing that the central angle measures 120 degrees, you can substitute values into the formula for calculate the arc length and then you must evaluate.

Therefore, applying this procedure, you get the following result:

arc\ length=18(\frac{120}{360})\\\\arc\ length=6

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Answer:

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7 0
3 years ago
What digit makes each number divisible by nine?<br><br> _7,302
Alborosie

Answer:

Not completely sure but hopefully these will help.

Step-by-step explanation:

I'm kind of confused what you're asking for. If you could clarify that would be great. If you're trying to make it divisible by 9, you can either do 3, 6 or 9. If you want the first two digits: 2,5,8. Please clarify so I can help

8 0
3 years ago
A circle has a diameter of 12 feet. What is the circumference of the circle?
Lady bird [3.3K]

Answer:

B). 37.68 feet.

Step-by-step explanation:

Circumference = diameter *  π

= 12 * π

=  37.68 feet.

5 0
3 years ago
Rewrite the expression as an algebraic expression in x. <br> cos(tan−1 x)
zhenek [66]
It's hard to type and hard to read the "inverse tangent" function, as you've seen (above).

So, use "arctan x" instead.

Then the problem becomes:  "differentiate cos (arctan x)."

You must apply first the rule for differentiating the cosine function, and next apply the rule for differentiating the arctan function:

(d/dx) cos (arctan x) = - sin (arctan x) * [1/(1+x^2)]

7 0
3 years ago
I had 1/4 lasagna left i want to split that equally into 3 days how much would i eat each day?
Triss [41]
1/4 divided by 3
3/1 would become 1/3 because you changed from division to multiplication
1/4 times 1/3= 1/12
Hope this helped
6 0
3 years ago
Read 2 more answers
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