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One item is filed under this topic.
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Three circles |
2009-10-02 |
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From Brandon:
There is a quarter circle with a radius of 1. along one eged of it,
there is a semi-circl with a diameter of 1, and its center is on the
drawn line. there is another semi-circle again with the center on the
other drawn line, and this one has an unknown diameter of X. both
circles are internally tangent, and are tangent to each other. Find X.
Answered by Robert Dawson and Chris Fisher. |
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