Difference between revisions of "1964 AHSME Problems/Problem 36"
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Revision as of 18:19, 5 March 2014
In this figure the radius of the circle is equal to the altitude of the equilateral triangle . The circle is made to roll along the side , remaining tangent to it at a variable point and intersecting lines and in variable points and , respectively. Let be the number of degrees in arc . Then , for all permissible positions of the circle: