Answer:
A=40, B=60, C=80
Step-by-step explanation:
180/7 to find what "1" would be in the ratio then multiply 20*2, 20*3, 20*4.
 
        
             
        
        
        
I believe it is because with a net you simply find the area, and measuring 2D shapes is far easier than 3D shapes.
Hope this helped!
- Z
        
             
        
        
        
<em>Hey</em><em>!</em><em>!</em>
<em>1</em><em> </em><em>and </em><em>2</em><em> </em><em>are</em><em> </em><em>vertical</em><em> </em><em>angles</em><em>.</em>
<em>Vertically</em><em> </em><em>opp</em><em>osite</em><em> </em><em>angles</em><em> </em><em>are</em><em> </em><em>always</em><em> </em><em>equal</em><em> </em><em>to</em><em> </em><em>each</em><em> </em><em>other</em><em>.</em>
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em>.</em>
 
        
                    
             
        
        
        
Answer:
I think it is 9 
Step-by-step explanation:
as for number one I did 5×7=35 overall and 15×21= 315 
then I did 315÷35=9 which is the scale factor. 
hope this is correct and help u understand:)
 
        
                    
             
        
        
        
Answer:
to describe the transformation in words you could say, triangle ABC was moved to the right 4 times and down 3 times.