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OpenStudy (anonymous):
Suppose the radius of a circle is 4. What is its circumference?
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OpenStudy (theprofessor35):
Circumference = π × diameter = 2 × π × radius. T
OpenStudy (aryavegapunk):
Formula for Circumference is 2pi*r where r is the radius
OpenStudy (theprofessor35):
2 * 3.14 * 4 = ?
OpenStudy (theprofessor35):
pi = about 3.14
OpenStudy (theprofessor35):
2*3.14* 4 = 25.12
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OpenStudy (theprofessor35):
Now, we know that our circumference is about 25.12
OpenStudy (theprofessor35):
Hope I helped! ^_^
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