Answer:
3) √60
Step-by-step explanation:
*NOTE- I don't know how to solve number 4 but hopefully number 3 is correct.
a^2+b^2=c^2
x= missing leg
hypotenuse=8
leg1= 2
x^2+2^2=8^2
x^2 + 4=64
x^2=60
x=√60 or 2√15
