# Pre Algebra

Which special version of the Pythagorean Theorem can you use to find the length of any square's diagonal, d, using only the length of its side, s?

plz tell me the equation!!!

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3. 👁 454
1. I need the equation to solve my question!!

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posted by Labbayk
2. d^2 = s^2 + s^2

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3. i knew that but did the last part mean both of the lengths of the s? i thought only with one. i have this equation!

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posted by Labbayk
4. The basic equation is
d^2 = base squared plus height squared

I learned it as
a^2 + b^2 = c^2

But since a square has equal sides, then the formula I posted works.

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5. I both ways!! thanks!! and i got it anyways!!:):):-)

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posted by Labbayk
6. I meant to say-I learned it both ways. thanks!! and i got it anyways!!:):):-)

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posted by Labbayk
7. You're welcome! And yay!!

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8. :)-lol

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posted by Labbayk
9. 1.A
2.B
3. Stop cheating

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10. they aren't cheating just helping there are no answers to be given just a equation and your only here for help to so don't waste your time commenting that because funny it aint benefitting anyone. @NUTS MEMES

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posted by Pheobe
11. (leg)^2 + (leg)^2 = (hypotenuse)^2

Let leg = s

Let d = hypotenuse

s^2 + s^2 = d^2

2s^2 = d^2

sqrt{2s^2} = sqrt{d^2}

s•sqrt{2} = d

You can use d = s•sqrt{2} to find the length of a diagonal of any square.

I hope this helps.
harpazo1965@gmail.com

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