The arc length of a sector created by a 90 degrees angle is 2 pi cm. What is the circumference


The arc length of a sector created by a 90 degrees angle is 2 pi cm. What is the circumference of the entire circle? Express the answer in terms of Pi.
Recall the formula StartFraction Arc length over Circumference EndFraction = StartFraction n degrees over 360 degrees EndFraction.
StartFraction pi over 4 EndFraction centimeters
StartFraction pi over 2 EndFraction centimeters
6 pi centimeters
8 pi centimeters


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