Answer: 
<u>Step-by-step explanation:</u>

Answer:
162
Step-by-step explanation:
324/2 because a square has sides that are all equal, so the area is 2 times the length of a side
Answer:
im not entirely sure how to help you
Step-by-step explanation:
can you be more specific?
Answer:
C. These lines are perpendicular
Step-by-step explanation: