I think c would be the correct answer
50% of 40 is 20.
40/2 =50.
Just divide the number by 2 anytime it asks for 50%.
Answer:

Step-by-step explanation:
Given




Required
The perimeter
First, calculate the distance between each point using:

So, we have:




So, the perimeter (P) is:


<span>seventy-seven hundredths.</span>
Answer:
113.04
Explanation:
So, the formula is C=pi x d
Once you substitute in the number given the equation is now .. C= pi x 36
36 x 3.14=113.04
Therefore, the circles circumference is 113.04