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A Kiss solution (Posted on 2022-04-04) Difficulty: 3 of 5
You are given three identical bricks, shaped as rectangular parallelepipeds, and a measuring tape or a ruler . Your task is to evaluate the length of the inner diagonal of a brick.

No Solution Yet Submitted by Ady TZIDON    
Rating: 3.5000 (2 votes)

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Solution Which is simpler? | Comment 1 of 9
You could measure the length, width and height of a single brick and use the Pythagorean theorem a^2+b^2+c^2=d^2.  But that requires some calculating so I wouldn't consider it the simplest.

Instead, arrange the bricks in an L shape so that the space diagonal of a fourth imaginary brick can be measured directly.  

AAAAABBBBB
AAAAABBBBB
AAAAABBBBB
CCCCC
CCCCC
CCCCC

In the top view, measure from the bottom of the SE corner of the C brick to the top of the SE corner of the B.

  Posted by Jer on 2022-04-04 07:03:40
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