Difference between revisions of "2007 AMC 8 Problems/Problem 16"

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(Solution to Problem 16)
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<math>Amanda Reckonwith draws five circles with radii 1,2,3,4, and 5. Then for each circle she plots the point (C,A), where C is its circumference and A is its area. Which of the following could be her graph?</math>
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Go here for the diagram:
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[[Media:http://www.artofproblemsolving.com/Wiki/index.php/File:AMC8_2007_16.png]]
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The answer is A 
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If you look at the diagrams, you can see the center in A where the points are at 1,1  2,2  3,3, etc.
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Thus, its's the answer.

Revision as of 12:48, 9 November 2011

$Amanda Reckonwith draws five circles with radii 1,2,3,4, and 5. Then for each circle she plots the point (C,A), where C is its circumference and A is its area. Which of the following could be her graph?$


Go here for the diagram: Media:http://www.artofproblemsolving.com/Wiki/index.php/File:AMC8_2007_16.png

The answer is A If you look at the diagrams, you can see the center in A where the points are at 1,1 2,2 3,3, etc. Thus, its's the answer.