which is the best estimate for the diagonal of a rectangle with a width of x and a length of 2x if x is 1.33?
If x = 1.33, then:
2x =1.33 x 2 =2.66
Diagonal^2 =1.33^2 + 2.66^2 [Pythogoras's Theorem]
Diagonal^2 =1.7689 + 7.0756
Diagonal^2 =8.8445 Take the Square Root of both sides.
Diagonal =2.974
