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# diamonds and math... formula for length

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#### marv117

##### Rough_Rock
ok...this is a weird question..but I've forgotten my math ..hehe...i wanna find out the diagonal lenth inside a square. As some of you may have read in my other post, I am planning to buy a princess cut, a square. Dimensions is always given so all we need is the formula to get the length inside....

I do remember, however, that a square can be made into two triangles. so we can use a formula for a triangle also...so this means we would be looking for the base length of the triangle...for example... dimensions given:
6.05(lenth) x 5.95(width) x 3.95...etc...

Correct me if I'm wrong but princess cut with the same carat and length/width of a round cut, the princess cut may look larger because of the corners...right?

Just something I noticed after looking at diamonds...thanks for the help!

----------------- UPDATE -----------------
I FOUND THE FORMULA!
Pythagorean Theorem : a² + b² = c²
'C' being the longest length of the triangle.
'A' and 'B' can be the length or the width of a square given dimension.

I found it here:
http://mathforum.org/~sarah/hamilton/ham.rttriangles.html

and here is an online calculator for this formula:
http://www.117i.com/math_triangle.cfm

hahahah this is a funny topic...enjoy

#### Richard Sherwood

##### Ideal_Rock
Marv, I just had to tell ya, I think that's the coolest avatar.

#### marv117

##### Rough_Rock
hahahah...thanks!

I made that last year from a picture my girlfriend took of me. I added the sparkle to give it a nice effect..lol. =P

#### barry

##### Shiny_Rock
The Matrix?

Barry
www.superbcert.com

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