Answer:
n = 6√2 and m = 12.
Step-by-step explanation:
This is a 45-45-90 right angled triangle. It is also isosceles because the 2 acute angles are equal,so n = 6√2.
Also by Pythagoras: m^2 = (6√2)^2 + (6√2)^2
m^2 = 72 + 72 = 144
m = 12.