Puzzles/Geometric Puzzles/Rectangle and Circle
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Problem
[edit | edit source]![](http://upload.wikimedia.org/wikipedia/commons/2/2d/RectangleAndCircleTeaser.jpg)
Suppose we have a circle inscribed within a square. Now suppose a rectangle extends from one corner of the square to a point on the circle (see diagram).
If this rectangle is 6 inches by 12 inches, what is the radius of the circle in inches?