Heptagono
Sa heometriya, an heptagono (Ingles: heptagon) iyo sarong poligono na may pitong gilid o 7-gon.

An heptagono iyo minsan naaapod bilang an septagono (septagon), gamit an "sept-" (sarong pagtangkas sa septua-, naderiba sa Latin na prepiksong numerikal, imbes na hepta-, naderiba sa Griyegong prepiksong numerikal; relatibo an parehas) kaiba an Griyegong supikso na "-agon" na may boot-sabihon na angulo.

Panluwas na takod

 Definition and properties of a heptagon May inter-aktibong animasyon
 Heptagon according Johnson
 Another approximate construction method
 Polygons – Heptagons
 Recently discovered and highly accurate approximation for the construction of a regular heptagon.
 Heptagon, an approximating construction as an animation
 A heptagon with a given side, an approximating construction as an animation

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