How do I find the length of the third side?

Answer:
since it is a right triangle it is 35 i think
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
Use the Pythagorean theorem:
a^2 + b^2 = c^2
35^2 + b^2 = 37^2
1225 + b^2 = 1369
b^2 = 44
b = 12
Answer: 12