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8 answers

Measure the two sides (as long as they're at right angles), square them, add them together and take the square root. This is the length of the diagonal.

a^2 + b^2 = c^2
or diagonal = squareroot(a^2 + b^2)

2007-08-09 06:27:40 · answer #1 · answered by Jon G 4 · 1 0

Formula To Square A Building

2016-11-10 10:30:49 · answer #2 · answered by cywinski 4 · 0 0

Usually you set up a 3:4:5 triangle to determine if things are square. Of course, you can use the Pythagorean theorem.

x^2 + y^2 = diagonal^2

So if one wall is 10 feet, another wall is 20 feet, the diagonal is 22.36 feet.

2007-08-09 06:28:25 · answer #3 · answered by Anonymous · 1 0

The easiest way is called the "3-4-5 Rule" starting at your corner, measure out one way three feet and make a mark. Go back to the corner and measure four feet in the other direction, and make a mark.
The length of a diagonal line between the two marks should be exactly 5 feet.

2007-08-09 07:04:08 · answer #4 · answered by johntindale 5 · 0 0

If you are asking how can you look at the diagonal measurement and figure out whether the room is square that is easy.

Measure from one corner to the opposite corner. Then measure between the other two diagonal corners. If both readings match then the room is perfectly square. It is a quick and foolproof test.

2007-08-09 07:32:41 · answer #5 · answered by Rich Z 7 · 1 1

Square Up diagonal of 14 x16

2013-11-12 22:21:11 · answer #6 · answered by Anonymous · 0 0

The diagonal in a square would be the length of the square multplied by the square root of 2, or about 1.4

2007-08-09 06:27:28 · answer #7 · answered by Matt C 3 · 0 0

B squared (side one) plus A squared (side two) equals C squared (the diagonal).

(AxA) + (BxB) = (CxC)

In a 90 degree right triangle:
A= Side One
B=Side Two
C= Diagonal

2007-08-09 06:31:21 · answer #8 · answered by Dave B 1 · 0 0

Use the Pythagorian Therom. a square + b square = c square
where c is the diagonal.
Solving for c we get c = square root of (a square + b square)

2007-08-09 06:34:49 · answer #9 · answered by yor 1 · 1 0

(A x A) + (B x B) = (C x C)
where A is length , B is width and C is the diagonal.
Sorry I could not type ascenders to show the formula here.

2007-08-09 06:31:01 · answer #10 · answered by Anonymous · 1 0

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