AMC 8 1995 Problem 13

AMC8 1995 年第 13

三角形★★★☆☆
Problem In the figure, A\angle A, B\angle B, and C\angle C are right angles. If AEB=40\angle AEB = 40^\circ and BED=BDE\angle BED = \angle BDE, then CDE=\angle CDE =
在图中,A\angle AB\angle BC\angle C 是直角。如果 AEB=40\angle AEB = 40^\circBED=BDE\angle BED = \angle BDE,则 CDE=\angle CDE =
  1. A.7575^\circ
  2. B.8080^\circ
  3. C.8585^\circ
  4. D.9090^\circ
  5. E.9595^\circ

正确答案 · Correct Answer

E

解析 · Solution

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