2000 AMC 8 Favorite Problems

Number 19 – This problem looks at the area of a curved region.  My favorite part of this problem is the result is unexpected.  Here is the solution:

Number 25 – This is another geometry problem.  It is a great example of an important technique when solving competition geometry problems.  Often, the properties of the drawing are generalized so a simple example can be used to solve the problem.  In this case, picking easy sides to the rectangles so that the area is 72 is very effective.  Here is the solution:

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