SOLUTION: You want to draw a line diagonally across a rectangular piece of paper. If the paper measures 8 inches by 12 inches, what is the maximum length of the straight-edge you need to mak

Algebra ->  Pythagorean-theorem -> SOLUTION: You want to draw a line diagonally across a rectangular piece of paper. If the paper measures 8 inches by 12 inches, what is the maximum length of the straight-edge you need to mak      Log On


   



Question 1021283: You want to draw a line diagonally across a rectangular piece of paper. If the paper measures 8 inches by 12 inches, what is the maximum length of the straight-edge you need to make the line? I think it's 14? Am I right? Also please show your work
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the Pythagorean theorem, the legs of the triangle are the edges of the sheet and the hypotenuse is the diagonal.
D%5E2=8%5E2%2B12%5E2
D%5E2=64%2B144
D=sqrt%28208%29
D=4%2Asqrt%2813%29
Between 14 and 15.