Work shown above! Answer to both is A
 
        
        
        
129 degrees is the correct answer for the missing angle number 1 :) 
 
        
             
        
        
        
<span>√3 * 2√2 * 5√8 * 18
2 x 5 x 18
10 x 18
180
</span>√3 x √2 x √8 = 
√6 x √8 = 
√48
√48 = 6 x 8 = 3 x 2 x 2 x 2 x 2 = 4√3
180 x 4√3 = 720√3
720√3 should be your answer
hope this helps
        
                    
             
        
        
        
Answer:
21
Step-by-step explanation:
It might be 21/30 , hope it helps though :)