qwertyfreak Group Title Find the length of the diagonal of the rectangle. The rectangle is 12in by 7in. the 12in parts are top and bottom, 7in parts are the sides. The line is diagonal from the top left corner to the bottom right corner. 13.0 in 13.4 in 13.6 in 13.9 in 2 years ago 2 years ago

1. qwertyfreak Group Title

Heres what it looks like: |dw:1335534654241:dw| but of course straight lines

2. amistre64 Group Title

this is just an application of the pythagorean theorum

3. amistre64 Group Title

what is the sum of the squares of the sides? 12^2 + 7^2 = ?

4. qwertyfreak Group Title

193

5. amistre64 Group Title

good, then the last part is to take the sqrt of that $diag=\sqrt{193}$

6. qwertyfreak Group Title

13.892444 so my answer is 13.9

7. amistre64 Group Title

correct, good job