Homework Help!!!

How do I find the area of a circle if you have the diameter?

Answer #1

half the diameter, then you get something called the radius (half the diameter length) then do this pi x radius squared or if you dont have a calculator use 3.14 x (RxR)

Answer #2

pie x radius x radius (radius is half of diameter

Answer #3

geez I hate those!!!

lol but it really easy

pie(3.14) x radius x radius

Answer #4

cut the diameter in half to get the radius and go from there.

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