7 November, 14:01
How to find the length of the darkened arcs?
7 November, 15:04
A circle is 360° all the way around; therefore, if you divide an arc's degree measure by 360°, you find the fraction of the circle's circumference that thearc makes up. Then, if you multiply thelength all the way around the circle (the circle's circumference) by that fraction, you get the length along thearc.
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