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Mekhanik [1.2K]
3 years ago
6

Which best describes how to find the length of an arc in a circle?

Mathematics
2 answers:
Vesna [10]3 years ago
5 0
A. Simplify the fraction of the arcs degree over 360 then multiply by the circumference of the circle
Schach [20]3 years ago
3 0

Answer:

<h2>A. Divide the arc's degree measure by 360°, then multiply by the circumference of the circle.</h2>

Step-by-step explanation:

The first choice describes the right way to find the length of an arc in a circle.

The length of an arc is defined as

L=2\pi r (\frac{\theta}{360\°} )

Where 2\pi r represents the circumference of the circle and \theta represents the arc's degree measure.

So, as you can observe through this formula, we need to divide the arc's degree measure by 360°, and then multiply this result with the circumference of the circle, that's the right way based on the definition of arc length.

Therefore, the right answer is A.

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Please help (geometry)
jarptica [38.1K]
<h3>Answer: 54 degrees (third choice)</h3>

Explanation:

AB is a diameter of circle C. This leads to angle ACB being 180 degrees. By Thales Theorem (a special case of the inscribed angle theorem) we know that angle D is 90 degrees.

Therefore, triangle ADB is a right triangle. The acute angles (A and B) add to 90, and we can say they are complementary angles.

A+B = 90

36+B = 90

B = 90-36

B = 54 degrees

6 0
3 years ago
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frutty [35]

Answer:

Proportional: Non-Proportional: How to tell the difference: A proportional graph is a straight line that always goes through the origin. A non-proportional graph is a straight line that does not go through the origin.

Step-by-step explanation:

<h3>hope it helps</h3>
4 0
2 years ago
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seraphim [82]

Answer:

6$ is the correct answer have a good day :)

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