# Basic math glossary-H

Basic math glossary-H define words beginning with the letter H

h: h is an abbreviation for height.

Height: The distance from bottom to top.

Heptagon: A polygon that has seven sides.

Hexagon: A polygon with six angles and six sides.

Hexagonal prism: A prism that has hexagonal faces.

Histogram: A histogram is a graphical way to display information or data using bar.

Horizontal: A line that has no slope.

Horizontal axis: One of the axis in the coordinate system that has a slope of zero.

Hypotenuse: The longest side in a right triangle. The longest side is the one opposite to the right angle.

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