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Math Forum » Discussions » Math Topics » geometry.puzzles.independent

Topic: Rectangle Area
Replies: 11   Last Post: Jan 14, 2010 1:01 PM

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Avni Pllana

Posts: 529
Registered: 12/6/04
Re: Rectangle Area
Posted: Jan 11, 2010 5:48 AM
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> Note the fact that triangle ADE is similar to
> triangle GDC.
>
> Therefore we have:
>
> DG/DC = AD/DE
>
> It can be re-written as:
>
> DG*DE = AD*DC which means that S1 = S2
>
> http://www.idealmath.com/geometrytheorem/similartriang
> le.htm


Hi Peter,

many thanks for another excellent solution to the problem.
The puzzle was simple, but what makes it interesting is that it can be solved using many different approaches.

Best regards,
Avni



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