Problem Solving Skills for Mathcounts Competitions
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Problem Solving Skills for Mathcounts Competitions
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Twenty Mock Mathcounts Sprint Round Practices
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Problem 27
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Topic: Problem 27 (Read 3903 times)
spotula
50 Mathcounts Lectures pdf
Mathcounts School Champion
Posts: 6
Problem 27
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on:
April 17, 2013, 03:47:01 AM »
Hi,
I appreciate your help with the following
(1) I am not able to solve Problem 27 in the following
http://mymathcounts.com/Sam's-Math-Club/documents/MathcountsP02.pdf
Problem 27. As shown in the figure, ABC is a triangle with the area 1. Extend BA to D such that DA = AB. Extend CA to E such that EA = 2AC. Extend CB to F such that FB = 3BC. Find the area of triangle DEF.
Thanks
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yongcheng3315
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USAMO Winner
Posts: 2585
Re: Problem 27
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Reply #1 on:
April 17, 2013, 07:44:44 AM »
Thanks for asking. One solution is shown in the attached file. Good luck!
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Last Edit: April 17, 2013, 11:06:35 AM by yongcheng3315
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Problem Solving Skills for Mathcounts Competitions
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Twenty Mock Mathcounts Sprint Round Practices
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Problem 27