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What is the circumference of the circle if AB = 4 in?
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What is the circumference of the circle if AB = 4 in?

What is the circumference of the circle if AB = 4 in?-example-1
User LegendDemonSlayer
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1 Answer

6 votes

Hello from MrBillDoesMath!

Answer: 8 * pi (inches^2)


Discussion:

From Plane Geometry the circumference of a circle of radius "r" is

2 * pi * r

In this case, AB is a radius of the circle so the circumference is

2 * pi * 4 = 8 pi



Regards, MrB

User Roland Ewald
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