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Which circles have an area of 16pi in2?


Choose all answers that are correct.

Aa circle with a radius of 2 in.
Ba circle with a radius of 4 in.
Ca circle with a diameter of 8 in.

D.a circle with a diameter of 16 in.

Verified Answer :

A = (pi) x r^2
Area = (pi) x (16) 

r^2 = 16 
t = 4 

The diameter =d=2r= 2*4 = 8 



 d=8 inches.

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