Answer:
B: 6/4 or 1 2/4
Step-by-step explanation:
 
        
             
        
        
        
I’m not sure, but I think you divide 360 by each one of those angles.
        
             
        
        
        
If the legs are legnth x, then the hyptonuse is x√2
x√2=7
divide both sides by √2
x=7/√2
times (√2)/(√2)
(7√2)/2
3.5√2
aprox 4.94974
round
4.95