Geometría Flashcards

1
Q

Bisectriz

A

Corta el ángulo por la mitad

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2
Q

Polígono cóncavo

A

Vértice hacia el interior

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3
Q

Polígono convexo

A
  • ángulos interiores + de 180
  • diagonales interiores
  • suma ángulos exteriores = 360
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4
Q

Triángulo escaleno

A

Lados y ángulos distintos

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5
Q

Área de un triángulo

A

(b x h) /2

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6
Q

Mediana

A

Une los puntos medios
• paralela al lado opuesto
• triángulos interiores congruentes

*circuncentro: intersección de simetrales

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7
Q

Simetral

A

Perpendicular trazada desde el punto medio a cada lado

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8
Q

Transversal de gravedad

A

Unión del punto medio del lado con el vértice opuesto

*centro de gravedad o baricentro: divide a cada t.g en 1:2

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9
Q

Triángulo equilátero

A

Altura: (a x raíz 3)/2

Área: (a^2 x raíz 3)/4

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10
Q

Triángulo rectángulo isósceles

A

Asociar a un cuadrado

• hipotenusa: (a x raíz 2)/2

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11
Q

Área rombo

A

((b x h)/2)) x 4

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12
Q

Área romboide, cuadrado, rectángulo

A

b x h

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13
Q

Área tranpecio

A

((Base 1 + Base 2)/2)) x h

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