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Mathematics 7 Online
OpenStudy (anonymous):

help needed http://prntscr.com/zhfcr

OpenStudy (anonymous):

is my answer correct

OpenStudy (mertsj):

Let me take a moment to verify. At first glance it looks good.

OpenStudy (phi):

yes, we went over this 2 days ago.

OpenStudy (mertsj):

Yes. 8.78 is correct

OpenStudy (anonymous):

cool

OpenStudy (anonymous):

i was confused wether to state the negative one or not

OpenStudy (mertsj):

No. Because the length of a radius would not be negative.

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