Answer:

Step-by-step explanation:
The angle of shaded sector = 360-332 = 28°
The radius of sector, r = 15 ft
We need to find the area of the shaded sector. The formula for the area of the sector is given by :

So, the area of the shaded sector is equal to  .
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The answer is 10 because it had
        
             
        
        
        
the question is not so clear 
is it (x+3)/3 or what you have written is correct
Step-by-step explanation: