See complete Problem 43

Angles, Triangle. Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.

## Monday, May 19, 2008

### Elearn Geometry Problem 43

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## Monday, May 19, 2008

###
Elearn Geometry Problem 43

Online Geometry theorems, problems, solutions, and related topics.

See complete Problem 43

Angles, Triangle. Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.

Subscribe to:
Post Comments (Atom)

This comment has been removed by a blog administrator.

ReplyDeleteThe solution is uploaded to the following link:

ReplyDeletehttps://docs.google.com/open?id=0B6XXCq92fLJJdTVoS3RUbVp4dVE

Reference my proof for Problem 42

ReplyDeleteLet BD meet AC at G.

Since Tr. ABC is isoceles and < ABC = 120-2@, < BCA = 30 +@

In Tr. BCG, < GBC = 90-@ and < GCB = 30+@. So x must be 60

Sumith Peiris

Moratuwa

Sri Lanka