Find the exact value of the diagonal distance across the square tiles if x=7 (radicals)
Right triangle with legs 4x and 3x
16x^2 + 9x^2 = d^2
5x = d 5 * 7 = 35 units
Diagonal :
D=√(4(7))2+(3(7))2=√784+441=√1225=35
+37165 
