Answer:
sqrt(29)
Step-by-step explanation:
We can find MN using the Pythagorean theorem
The height is 2 and the length is 5
a^2 + b^2 = c^2
2^2 + 5^2 = MN ^2
4 + 25 = MN^2
29 = MN ^2
taking the square root of each side
sqrt(29) = MN
