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

A. Multiply the arc's degree measure by 360, then divide by the circumference of the circle.
B. Divide the arc's degree measure by 360, then multiply by the circumference of the circle.
C. Multiply the arc's degree measure by 360, then divide by the diameter of the circle.
D. Divide the arc's degree measure by 360, then multiply by the diameter of the circle.

Answer :

Final answer:

To find the length of an arc in a circle, divide the arc's degree measure by 360 and then multiply by the circumference of the circle. Therefore the correct answer is option D.

Explanation:

To find the length of an arc in a circle, you need to divide the arc's degree measure by 360 and then multiply by the circumference of the circle. This can be represented by the equation

Length of Arc = (Degree Measure of Arc / 360) * Circumference of Circle

For example, if the degree measure of the arc is 90° and the circumference of the circle is 20 units, you would calculate:

Length of Arc = (90 / 360) * 20 = 5 units

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