ABCD is a rectangle. What is the value of x? rectangle with length 56 m, width x m, and diagonal 65 m 9 meters 28 meters 33 meters 65 meters

the answer is 33 meters
use the Pythagorean theorem 
56^2+x^2=65^2
3136+x^2=4225
x^2=1089
x=33