perplexus.info :: Geometry : Measure that angle IV

Measure that angle IV (Posted on 2004-11-02)

Triangle ABC is isosceles with AB=AC. Point D is on side AB such that angle BCD is 70 degrees. Point E is on side AC such that angle EBC is 60 degrees. Angle ABE equals 20 degrees, and angle DCE equals 10 degrees.

Find angle EDC. Justify your answer.

See The Solution Submitted by Brian Smith

Rating: 3.6667 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

Answer

Comment 21 of 21 |

The required value of angle EDC is 20 degrees.

Posted by K Sengupta on 2008-10-26 01:58:21

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (6)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info