skip navigation

Geometry Glossary - H

Half-plane:
 when a line splits the plane, two half-planes lie on either side of it


Heptagon:
a polygon with seven sides


[IMAGE]

Hypotenuse:
the side opposite the right angle in a right triangle


[IMAGE]

Hexagon:
 a six-sided polygon; a regular hexagon has 6 congruent sides and 6 congruent angles

 

Adapted with permission from NCS Pearson, Inc. (Educational Structures) Copyright © 2000.