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Two circles have the same center C (Circles that have the same center are called concentric.) The larger circle has a radius 10 and the smaller circle has a radius 6 Determine the area of the ring between these two circles.

 

 Dec 28, 2020

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Area of a circle = pi r^2    

Area of larger circle   minus   area of smaller circle = ring area

 

pi (10^2) - pi(6^2) = ring area

64pi = ring area 

201.06 units2


 

 Dec 28, 2020
 #1
avatar
+1
Best Answer

Area of a circle = pi r^2    

Area of larger circle   minus   area of smaller circle = ring area

 

pi (10^2) - pi(6^2) = ring area

64pi = ring area 

201.06 units2


 

Guest Dec 28, 2020

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