# Geometry Definitions of terms Starting with G-H

All geometry definitions commencing with the letters G and H are listed here alphabetically.  Use the tabs to the right to access our full geometry dictionary.  That way, when it comes to geometry homework, there is no chance that one little geometry term is going to hold up it completion.

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## Math Dictionary of Geometry Definitions: G-H

 Geometry: One of the two earliest areas of math to be studied. (The other was numbers). It studies the shapes, solids, points, lines, rays and curves and their relationships in space. Graph: A drawing or diagram used to represent data. Graph Paper: Paper pre-printed with a specific scaled grid for ease of graph drawing. Half: One of two equal parts.  When an object is cut in two equal parts, each porting is one half. Height: The perpendicular distance from the top of an object to the bottom/base. Hemisphere: A solid shape that is one half a sphere. Hepta: Prefix meaning 7 Heptagon: A Polygon with seven sides. Heptahedron: A Polyhedron with seven faces. Hexa: Prefix meaning 6. Hexagon: A polygon with six sides. Hexahedron: A polyhedron with six faces. Horizontal: The opposite of vertical. In geometry - A line parallel to the x-axis. In life - a line parallel to the horizon. In this image, the base of the tent is Horizontal. Hypotenuse: The longest side of a right angled triangle..

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