2006 iTest Problems/Problem 8
Problem
The point is a point on a circle with center . Perpendicular lines are drawn from to perpendicular diameters, and , meeting them at points and , respectively. If the diameter of the circle is , what is the length of ?
Solution
Since , we know that is a rectangle. The diagonal of a rectangle is the same length, so . Since is the radius of the circle, the length of equals .
See Also
2006 iTest (Problems, Answer Key) | ||
Preceded by: Problem 7 |
Followed by: Problem 9 | |
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