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[obm-l] Uma boa de geometria
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] Uma boa de geometria
- From: "Douglas Ribeiro Silva" <dougzbr@xxxxxxxxx>
- Date: Mon, 23 Jul 2007 21:48:22 -0300
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Seja um triangulo ABC com lados a, b, c.
X eh a reflexao de A em relacao a reta que passa por BC
Y eh a reflexao de B em relacao a reta que passa por AC
Z eh a reflexao de C em relacao a reta que passa por AB
Qual a relacao entre as areas de ABC e XYZ?
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