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Topic: Beautiful Geometry Puzzle
Replies: 1   Last Post: Oct 27, 2010 8:49 AM

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 "Mary" Posts: 3 Registered: 3/11/10
Beautiful Geometry Puzzle
Posted: Oct 27, 2010 12:43 AM

>> Sujeet,
>>
>> Once again, I cannot quite follow your proof. (I do agree with your
>> solution.) I see why point M must be inside triangle ABC and why angle
>> CBM
>> = 10 degrees, but I do not see how the given and constructed angles show
>> that angle BCM = 20 degrees. (Again, I agree that angle BCM = 20 degrees,
>> but I cannot tell which statements justify this conclusion.)
>>
>> I have supposed that the vertices A, B, C, D are in counterclockwise
>> order, but I believe that the same reasoning would apply if they are
>> considered to be in clockwise order.
>>
>> Are my questions clear? Can you help me? Thank you for any response.
>> Mary Krimmel

Date Subject Author
10/27/10 "Mary"
10/27/10 Sujeet Kumar