Answer:
1254 Dont use this answer sorry
Step-by-step explanation:
 
        
             
        
        
        
When the base and the height of a triangle are the same. the hypotenuse is that number times sqrt2.
B and C are 7, so a would also be 7
 
        
             
        
        
        
Answer: Yes 
Step-by-step explanation:
See attached file. Brainly did not allow me to send my explanation normally. Sorry for the trouble! 
 
        
             
        
        
        
Answer:
0.138889
Step-by-step explanation:
formula is to divide by 144
which first you multiply 5×4 which gives you 20
therefore 20÷144
=0.138889