A
B
C
D
E
Smaller circle:swerve wrote:
In the figure shown above, if the area of the shaded region is 3 times the area of the smaller circular region, then the circumference of the larger circle is how many times the circumference of the smaller circle?
A. 4
B. 3
C. 2
D. \(\sqrt{3}\)
E. \(\sqrt{2}\)
We can let a = the radius of the entire figure (i.e, the larger circle), and b = the radius of the whtie circle (i.e., the smaller circle), and we have:swerve wrote:
In the figure shown above, if the area of the shaded region is 3 times the area of the smaller circular region, then the circumference of the larger circle is how many times the circumference of the smaller circle?
A. 4
B. 3
C. 2
D. \(\sqrt{3}\)
E. \(\sqrt{2}\)
The OA is C
Source: Official Guide
