Answer:

Step-by-step explanation:
 
        
             
        
        
        
Answer: 16.28
Step-by-step explanation: You need to find the area of the half circle so 4*3.14 dvided by 2 that is 6.28 then for the tryangle you do base times hight devided by 2 and you get 10 so add then and it should be 16.28
 
        
             
        
        
        
To convert an angle from degrees to radians, multiply by π/180°.
Your angle is
   (-280°)*(π/180°) = -14π/9
The appropriate choice is ...
   B) (-14π/9)
        
             
        
        
        
(10 pounds) - (7 pounds 3 ounces) =
2.8125 pounds