Art of Problem Solving

2007 AMC 8 Problems/Problem 16: Difference between revisions

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A is the answer.
==Problem 16==
 
Amanda Reckonwith draws five circles with radii <math>1, 2, 3,
4</math> and <math>5</math>. Then for each circle she plots the point <math>(C,A)</math>,
where <math>C</math> is its circumference and <math>A</math> is its area. Which of the
following could be her graph?
 
<center>[[Image:AMC8_2007_16.png]]</center>

Revision as of 22:43, 12 November 2012

Problem 16

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?