Answer:
The answer to your question is 14° and 76°
Step-by-step explanation:
Data
leg 1 = x
leg 2 = x/4
angle 1 = ?
angle 2 = ?
Process
To solve problem use trigonometric functions. We must use the trigonometric function that relates both legs (tangent).
     tangent Ф = Opposite side / Adjacent side
-Substitution
     tan Ф = (x/4) / x
-Simplification
     tan Ф = x / 4x
     tan Ф = 1/4
-  Find Ф
      Ф = tan⁻¹(1/4) =  14°
- Find the other acute angle
   The sum of the internal angles in a triangles equals 180°
        Ф + Ф₁ + 90° = 180
-Solve for Ф₁ 
         Ф₁  = 180 - 90 - 14
-Result
         Ф₁ = 76°              
 
        
             
        
        
        
Answer:
b
Step-by-step explanation:
because that is the correct answer believe me 
 
        
             
        
        
        
If you choose 10 swimmers and 4 are Stingrays, you can say that Stingrays make up roughly 40% of the swimmers. If 20 Stingrays make up 40% of all the swimmers, we just have to find what number 20 is 40% of. That’s easy enough by cross multiplication:
20/x = 40/100
20/x = 4/10
20/x = 2/5
x = 50.
Double check by multiplying 50 * 0.4. Since 50 * 0.4 = 20, we know we have the right answer. There are about 50 swimmers on this team. 
 
        
             
        
        
        
Answer:
 
 
 
 
Step-by-step explanation:
By inscribed angle theorem:
 
 
 
 
 
 
Again by inscribed angle theorem:
 
 
 
 
 
 

 
        
             
        
        
        
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