Multiple Choice
If the radius of circle B is twice the radius of circle A,and the area of a circle is proportional to the radius squared (A ∝ r2) ,then the ratio of the area of circle B to that of circle A is:
A) 4
B) 0.5
C) 0.25
D) 2
E) 1.414
Correct Answer:

Verified
Correct Answer:
Verified
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