# gon-, gonio-, -gon, -gonal, -gonally, -gony

#### (Greek: corner, bend, angle)

agonic (

**adjective**), more agonic, most agonic
Characteristic of not forming an angle; having no angle: The line indicating the perimeter of a circle is an

*agonic*line.
decagon

diagon

diagonal

1. Extending between nonadjacent angles in a polygon figure.

2. Having slanting marks, lines, etc.

2. Having slanting marks, lines, etc.

dodecagon

enneagon

goniometer

goniometry

hendecagonal (

**adjective**), more hendecagonal, most hendecagonal
In the form or in the shape of a multiple angles having eleven sides.

A geometric shape with seven angles and seven sides: "The students were learning about heptagons in their math class."

hexagon

isogonic

Having , or pertaining to, equal angles.

nonagon, nonagonal; enneagon

A polygon having nine angles and nine sides.

octagon

orthogonal

1. Having or determined by right angles; perpendicular.

2. An area of a computer display in which units of distance are the same horizontally and vertically so that there is no distortion.

2. An area of a computer display in which units of distance are the same horizontally and vertically so that there is no distortion.

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