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1) Let ABCDE be a regular pentagon.  Prove that AC bisects angle BCE and AD bisects angle BDE.

 

2) In quadrilateral BCDE, CBD = 31 degrees, CED = 47 degrees, BCE = 85 degrees.  Find angle BDE.

 Jan 7, 2022
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2) Angle BDE = 34 degrees.

 Jan 7, 2022

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