June 23rd, 2016, 06:36 AM  #1 
Newbie Joined: Jun 2016 From: sydney Posts: 1 Thanks: 0  Circle Geometry Question
Let A, B, C, D and E be points in order on the circumference of a circle. <ABC = 130* and <CDE = 140*. Prove that AE is the diameter of the circle.

June 23rd, 2016, 07:39 AM  #2  
Math Team Joined: Jul 2011 From: Texas Posts: 2,837 Thanks: 1479  Quote:
follow the same process to determine the measure of minor arc $CE$ with the given $\angle CDE = 140^\circ$  

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