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Is the answer for winter camp blue geometry p12 wrong?

 
 
Picture of Iris Xu
Is the answer for winter camp blue geometry p12 wrong?
by Iris Xu - Thursday, January 7, 2021, 1:50 AM
 
I got 5 + 4*sqrt(2) instead. 
 
Picture of Charles Zhang
Re: Is the answer for winter camp blue geometry p12 wrong?
by Charles Zhang - Thursday, January 7, 2021, 6:35 PM
 

I think we went over this is study hall...


I assumed the octagon was equiangular and alternating sides are equal

 
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Picture of Iris Xu
Re: Is the answer for winter camp blue geometry p12 wrong?
by Iris Xu - Thursday, January 7, 2021, 6:58 PM
 

what answer did you get?

 
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Picture of Charles Zhang
Re: Is the answer for winter camp blue geometry p12 wrong?
by Charles Zhang - Friday, January 8, 2021, 4:04 PM
 

I got the right answer :)

 
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Picture of Dr. Kevin Wang
Re: Is the answer for winter camp blue geometry p12 wrong?
by Dr. Kevin Wang - Wednesday, January 13, 2021, 3:50 PM
 

Please show your full solution so we can see whether you are actually correct or any of the steps is incorrect.

 
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