Answer:
23.8
Step-by-step explanation:
2(5.7) + 2(6.2)
11.4 + 12.4
23.8
 
        
             
        
        
        
Use desmos graphing calculator 
 
        
             
        
        
        
Answer:
3/4
Step-by-step explanation:
 
        
             
        
        
        
Answer:
129.25
Step-by-step explanation:
Area of the rectangle
Area = L * W
L = 10
W = 9
Area = 9 * 10 =                                                         90
Area of the1/2 circle
Area of a whole circle = pi * r^2
Area of a 1/2 circle = pi * r^2 /2
d = 10
r = d/2
r = 10/2
r = 5
Area of the 1/2 circle = 3.14 * 5^2 /2       =       <u>   39.25</u>
Total                                                                    129.25