Mystery Egg
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Trapezio
Denic~ao
O Trapezio e o quadrilatero convexo com dois lados paralelos.
Os lados paralelos s~ao chamados \bases".
Francisco A. M. Gomes (UNICAMP - IMECC) MA092 { Geometria plana e analtica Agosto de 2013 2 / 14
Quadrilateros notaveis
Trapezio
Trapezios notaveis
No Trapezio ret^angulo, um lado e perpendicular as bases.
Na gura a esquerda, AD ? AB e AD ? CD.
No Trapezio isosceles, os lados n~ao paralelos s~ao congruentes.
Na gura a direita, AD BC.
Francisco A. M. Gomes (UNICAMP - IMECC) MA092 { Geometria plana e analtica Agosto de 2013 3 / 14
Quadrilateros notaveis
Paralelogramo
Denic~ao
O