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Author: Annie Fetter
Description: teacher support active problem Geometry, difficulty level 2. Given line AE, point C between A and E, ray CB perpendicular to line AE, and point D on the same side of AE as point B. If CD equals DE and angle CDE is x degrees, what is the angle measure of angle BCD?
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Problem page: http://mathforum.org/librarypow/puzzles/index2.ehtml?puzzle=2763
Support page: http://mathforum.org/pow/support/geopow/angle.teacher.html
Solution page: Problem #2763

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