3 years ago

When the radius doubles, does the area of the circle double?

1 answer:

7 0

Example
from pir^2 ro pi(2r)^2
pi(2r)^2=pi4r^2=4pir^2

basicaly we look for any no options and ones where second is 4 times first

B

pi2^2, if it is double, pi4^2

B

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