Step-by-step explanation:
Since 6 < x < 8, we have 36 < x² < 48.
Let a and b be the sides of the right triangle.
a²/b² could be 1², 2², 3², 4², 5² and so on.
A possible set of measures is 6 and 2.
This will give x² = 6² + 2² = 40, x = √40 which is irrational.