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Is the answer for winter camp blue geometry p12 wrong?

 
 
XuIris的头像
Is the answer for winter camp blue geometry p12 wrong?
XuIris - 2021年01月7日 Thursday 01:50
 
I got 5 + 4*sqrt(2) instead. 
 
ZhangCharles的头像
Re: Is the answer for winter camp blue geometry p12 wrong?
ZhangCharles - 2021年01月7日 Thursday 18:35
 

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


I assumed the octagon was equiangular and alternating sides are equal

 
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XuIris的头像
Re: Is the answer for winter camp blue geometry p12 wrong?
XuIris - 2021年01月7日 Thursday 18:58
 

what answer did you get?

 
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ZhangCharles的头像
Re: Is the answer for winter camp blue geometry p12 wrong?
ZhangCharles - 2021年01月8日 Friday 16:04
 

I got the right answer :)

 
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WangDr. Kevin的头像
Re: Is the answer for winter camp blue geometry p12 wrong?
WangDr. Kevin - 2021年01月13日 Wednesday 15:50
 

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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