SOLUTION: We have a square with four equal sides. We wish to know the diagonal diameter length. What is the equation to find out this length? Thank you, Ms B J Anderson

Algebra ->  Triangles -> SOLUTION: We have a square with four equal sides. We wish to know the diagonal diameter length. What is the equation to find out this length? Thank you, Ms B J Anderson      Log On


   

Question 46291: We have a square with four equal sides.
We wish to know the diagonal diameter length.
What is the equation to find out this length?
Thank you,
Ms B J Anderson
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
...---
| c/ | b
...---
...a...
Do you see a right triangle?
c%5E2+=+a%5E2+%2B+b%5E2
Equal Sides: a+=+b
c%5E2+=+a%5E2+%2B+a%5E2
c%5E2+=+2a%5E2
c+=+a%2Asqrt%282%29