Answer:
 
 
Step-by-step explanation:
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Let's find the surface area of the pink rectangular prism first.




The surface area for the pink rectangular prism is  
  .
.
-------------------->>>>>
Now, let's find the surface area of the green rectangular prism.




The surface area for the green rectangular prism is 144  .
.
-------------------->>>>>
Now let's add the surface area of both rectangular prisms to find the surface area of the composite figure.

 
 
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Hope this is helpful.
 
        
                    
             
        
        
        
Answer:
4
Step-by-step explanation:
You must simply combine the two
 
        
             
        
        
        
 Answer:
 <em>AAS</em>
Step-by-step explanation:
 <em>because</em><em> </em><em>here </em><em>it </em><em>is </em><em>given</em><em> </em><em>that </em><em>two </em><em>angle </em><em>are</em>
<em> </em><em>equal</em>
 and a side is common between both traingle
 so, both traingle are congruent by
 <em><u>AAS</u></em>
 hope it helps
 
        
             
        
        
        
Answer:
33.61 mm (the square root of 1130)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Perimeter = 36.8 ft
Step-by-step explanation:
<u>Step 1:  Add the straight sides together</u>
3+3+3+3+3+3 = 18 ft
<u>Step 2:  Find the perimeter of the semi-circles</u>
The formula for the perimeter of semi-circle:  1/2 π × d
Diameter = 12 - 3 - 3 = 6, because the whole length is 12 minus the 6 ft of other stuff.
Now, 1/2π * 6 = 9.4 ft
But, there are two semi-circles so it will be 9.4 + 9.4 = 18.8 ft
<u>Step 3:  Add all of them</u>
18 + 18.8 = 36.8 ft