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Topic: Interesting geometry puzzle
Replies: 1   Last Post: Oct 27, 2010 10:45 AM

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"Mary"

Posts: 3
Registered: 3/11/10
Interesting geometry puzzle
Posted: Oct 27, 2010 12:40 AM
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> Subject: Re: Interesting geometry puzzle
>
>

>> Sujeet,
>>
>> Thank you for the interesting problem. It is good to hear from you again,
>> to
>> know that you are still actively investigating geometry.
>>
>> Both Avni Pilana's and Narasinham's solutions were clear, but like John
>> Benson I was interested in a solution that did not involve trigonometry,
>> as
>> are you.
>>
>> Perhaps I have not understood your construction, or perhaps there is a
>> misprint. It seems to me that CD is clearly not equal to AC, as stated in
>> the 5th line of your response.
>>
>> When you use ASA congruence condition, what angles and which side are you
>> using? I see that the triangles are congruent, but I do not see how you
>> arrive at the conclusion. Can you or someone help me?
>>
>> I find your quest for the meaning of "Pure Geometrical Solutions" also
>> interesting and provocative. Can this problem even be given in pure
>> geometry, since 10, 20, and 70 degree angles cannot be constructed?
>>
>> Thank you for any response.
>> Mary Krimmel
>> mary@krimmel.net

>


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