Poligonos regulares
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Transcript of Poligonos regulares
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Radio (r): segmento que une el centro con un vértice. Es el radio de la circunferencia circunscrita.Apotema (a): Segmento que une el centro con el punto medio de un lado.En un polígono regular de n lados:Angulo central =360/nAngulo interior = 180 - 360/nÁrea = Perímetro x Apotema /2; A = n· L · a /2 , ya que es el área de n triángulos de base L y altura a(L/2)2 + a2 = r2 por ser triangulo rectángulo L/2, r y a
Diagonal
Un polígono es una porción del plano limitada por una línea poligonal cerrada. Los segmentos de la línea poligonal se llaman lados del polígono. Los extremos de los lados se llaman vértices. Cada dos lados consecutivos determinan un ángulo del polígono.
Se llama diagonal de un polígono a cualquier segmento de recta que une dos vértices que no sean consecutivos.
CONCEPTO DE POLÍGONO.
ELEMENTOS DE UN POLÍGONO
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