Answer:

Step-by-step explanation:
Midpoint of line segment is calculated as
-----------(1)
Here

Substituting values in equation (1)


Answer: Each time the pentagon is rotated , it maps back onto itself. There are five values of for which the pentagon maps back onto itself. This is the same as the number of sides of the pentagon.
Answer:
(5a+3b)(5a+3b) or SQ(5a+3b)
Step-by-step explanation:
Now you can plot by referring to the above factors