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MAA AMC
AMC 12/AHSME
1966 AMC 12/AHSME
4
4
Part of
1966 AMC 12/AHSME
Problems
(1)
Circumscribed Figures
Source:
3/9/2006
Circle I is circumscribed about a given square and circle II is inscribed in the given square. If
r
r
r
is the ratio of the area of circle
I
I
I
to that of circle
I
I
II
II
, then
r
r
r
equals:
(A)
2
(B)
2
(C)
3
(D)
2
2
(E)
2
3
\text{(A)} \ \sqrt 2 \qquad \text{(B)} \ 2 \qquad \text{(C)} \ \sqrt 3 \qquad \text{(D)} \ 2\sqrt 2 \qquad \text{(E)} \ 2\sqrt 3
(A)
2
(B)
2
(C)
3
(D)
2
2
(E)
2
3
ratio
geometry