I think you mean circumference...Area is

. We have the area so we need to use it to solve for the radius which we will then use in the circumference formula.

. Divide both sides by pi to get

. Of course the simplification of the left side gives us

and r = 4. Now fill that in to the circumference formula, which is

, to get C

which is a circumference of
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Answer:
This is the right answer −4c+11
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
if you had 2 monkeys and another 2 monkeys and you put them in a pen together then you will have 4 monkeys in the pen
hope this helps :))
Answer:
There are 21 ways to choose the first person, 20 ways to choose the second, 19 ways for the third and 18 ways for the fourth so the answer is 21 * 20 * 19 * 18 = 143640.