From the law of sines, we have

where  is the leg we're interested in,
 is the leg we're interested in,  is the hypothenuse,
 is the hypothenuse,  is the angle opposite to
 is the angle opposite to  , and
, and  is the angle between
 is the angle between  and
 and  .
.
So, in the first case, we can use

And in the second excercise, we use

 
        
                    
             
        
        
        
Answer:
61
Step-by-step explanation:
first it goes up by 10 then 5 now 10
 
        
                    
             
        
        
        
Take 8 times 4.9 and 8 times 3.7, 8 times 4.9 is 39.2 and 8 times 3.7 is 29.6 now all you have to do is subtract them numbers from each other and it gives you the answer of 9.6 
Answer: 9.6
        
             
        
        
        
Answer:
A(0,3) B(3,4) C(2,1)
Step-by-step explanation:
when reflecting you just the change the sign if either the X or the Y. in this case it's the Y