I want to help you find the answer for the question that you are asking for but you just said find the length of the missing side and there is no numbers or picture for me to help you please upload a picture with the question so that I can help you....
The perimeter is the sum of the lengths of all sides.
Find the lengths of the sides using the distance formula:

The answer is c. 16.
Answer: 5.32
Step-by-step explanation:
8/25 as a decimal is 0.32. Add the fraction and whole number and you get 5.32
The answer is dilation. The other three are just moving the shape somewhere else, but it keeps the same shape. The dilation changes the size making the two shapes not congruent,