What is the height

Answer:
The height is 3
Step-by-step explanation:
First you need to find the diagonal of the base. You do this by usign the pythagorean theorum.
A^2 + B^2 = C^2
4^2 + 3^2 = C^2
16 + 9 = C^2
25 = C^2
C = 5
Then you use the pythagorean theorum again to find the height:
A^2 + B^2 = C^2
5^2 + B^2 = (34^(1/2))^2
25 + B^2 = 34
B^2 = 9
B = 3