Parallel Triangle

  • Observe the above construction where line AB is parallel to line CD. The measure of angle ACB is 90 degrees. Segment AC is congruent to segment BC. Also, segment AB is congruent to segment BD. In degrees, what is the measure of angle CBD.

Answer:    
  Please enter a numerical answer
(ex. 1000 or 2.033) and click GO.		    

Contest problems and answers provided by:

David Rock
rock_david@colstate.edu
Columbus State University

Doug Brumbaugh
brumbad@pegasus.cc.ucf.edu
University of Central Florida