Help with 5 math questions pls!

Answer:
1. 9
2. 6√(2)/8.49
3. √(12)/3.46
4. √(50)/7.07
5. 1584
Step-by-step explanation:
Use pythagorean theorem for all of these triangles which is a^2+b^2 = c^2, for the problems with writing, just break it down and draw out a triangle and solve it from there and plug in the right numbers and solve