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| Math Central | Quandaries & Queries |
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Question from kim, a student: how do you figure the perimeter of a quarter circle that has a radius of 7 inches? I would like to have the explanation of how you figure it out. Thank you |
Hi Kim,
The perimeter of a quarter is made up of 3 parts.
The first part is of length one-quarter of the perimeter (circumference) of the circle.
What is the length of one-quarter the circumference of a circle of radius 7 inches?
Parts 2 and 3 are each a radius of the circle.
What is the sum of the lengths of the three parts?
Penny
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