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Mathematics 13 Online
OpenStudy (anonymous):

Want to know if im doing this correctly. Posting a screenshot

OpenStudy (anonymous):

you get the area of the inner circle. And to get the outer circle and add five to the diameter and find the area of that and then subract.

OpenStudy (skullpatrol):

|dw:1418197640041:dw|

OpenStudy (anonymous):

I got 1452.2-1134.11. why do I add five to radius if im adding to the diameter which changes the radius ?

OpenStudy (skullpatrol):

|dw:1418197856644:dw|

OpenStudy (skullpatrol):

|dw:1418197966267:dw|

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