Height The length of the altitude

Height The perpendicular distance between the bases of a geometric figure.  In triangles, cones, and pyramids,           

Hindu-Arabic numerals The numerals used in our own decimal system, {0, 1, 2, 3, 4, 5, 6, 7, 8, 9)

Histogram   A bar graph that shows a frequency distribution.

Hypotenuse   The side opposite the right angle in a right triangle.


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