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