Question 878543: a rectangular photograph has side lengths of7 inches and 13 inches. To the nearest inch,how long is the diagonal of the photogragh? Answer by JulietG(1812) (Show Source):
You can put this solution on YOUR website! + = where a and b are sides of a right triangle, and c is the hypotenuse.
You're given the 2 sides.
7 squared + 13 squared = c squared
49 + 169 = c squared
218 =
Take the square root of each side
c = 14.76482
Rounded to the nearest inch, c = 15"