2006 AMC 12A Problems/Problem 21
Problem
Let and .
What is the ratio of the area of to the area of ?
Solution
Looking at the constraints of :
is a circle with a radius of . So, the area of is .
Looking at the constraints of :
is a circle with a radius of . So, the area of is .
So the desired ratio is .
See also
2006 AMC 12A (Problems • Answer Key • Resources) | |
Preceded by Problem 20 |
Followed by Problem 22 |
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All AMC 12 Problems and Solutions |
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