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PLEASE HELP!!

a circular playground has an area of 1600 square feet if the committee decides to double the radius what will the area of the new playground be

PLEASE HELP!! a circular playground has an area of 1600 square feet if the committee-example-1

2 Answers

3 votes

Answer:

C

Step-by-step explanation:

Just did the quiz with a 100%

User RaeX
by
8.2k points
3 votes

Answer: C

Explanation:

Since the radius of a circular playground with 1600 square feet is 22.568, doubling the radius will get you 45.136. So, we can input each choice into the formula for the radius of a circle:

r=
\sqrt{(A)/(\pi )

Through process of elimination, we can see that only a circle with an area of
6400ft^(2) will give us the radius of 45.136.

Sorry for not being as explicit I was rushing a bit. Hope this helps though uwu!

User Bkorte
by
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