Answer: Scale factor = Dimension of the new shape ÷ Dimension of the original shape. 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The first one (A) is the answer I got!
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3 : (1/2) =
Step-by-step explanation:
Divide: 3 : 
Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of  is
 is  ) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators.
) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators.
In words - three divided by one half = six.
 
        
             
        
        
        
84 cm because you HAVE to add them together.
        
             
        
        
        
Answer:
It’s 850 
Step-by-step explanation:
Divide the figure into 3 shapes, first one being 10ft times 5ft times 5, followed by 20 times 5 times 5 the another with 10 times 5 times 5. I got 850