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Solve the brick problem/perfect box problem?

Posted 1 year ago
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The problem of finding such a cuboid is also called the brick problem, diagonals problem, perfect box problem, perfect cuboid problem, or rational cuboid problem.

Not 100% how to put this so I will get strat to the point I have a solution for this problem but am not sure who to show need help I am on facebook.

I find it very hard to write as I have Irlen syndrome and dyslexia I have tested it on graph paper and works. I am struggling to put into word.

so the question is where is the best place to go? I was going to post on here is this a no no?

6 Replies
Posted 1 year ago

I have a solution for the perfect cube I do not nowhere to go. I live in England Cornwall Liskeard. The small diagonal is in 4 circles and 1 small like so. The long diagonal is 8 sphere then a small sphere in the middle which can be measured it is very beautiful I have put a picture for you. thank for any help Aaron Cattell

enter image description here

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Posted 1 year ago

I was thinking how to know what the small circles and small sphere = so I did this code is

(20^2 + 20^2)^(1/2)

this gives you 28.28427124746190097603377448419396157139343750753896146353...

so 28 - two LR = 20 That gives you 8 the small circle SD

small diagonal

Now I will try the small sphere the long diagonal so I did this code

(20^2 + 20^2+ 20^2)^(1/2)

that give you
34.64101615137754587054892683011744733885610507620761256111...

so 34 - two LR = 20 That gives you 14 the small sphere SD

have not tried long diagonal yet waiting for a delivery of different size sphere? to check.

long diagonal

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Posted 1 year ago

why no comments?

Posted 10 months ago

I have tested 3d and works 14mm is correct

Posted 10 months ago

Hi Aaron

Have you read this, it should point you in the right direction or give you an idea which way to go next.

https://en.wikipedia.org/wiki/Euler_brick

Posted 10 months ago

Solve the brick problem/perfect box problem?

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