Half Angle Identities

Half-Closed Interval

Half-Life

Half Number Identities

Half-Open Interval

Harmonic Mean

Harmonic Progression

Harmonic Sequence

Harmonic Series

Height

Height of a Cone

Height of a Cylinder

Height of a Parallelogram

Height of a Prism

Height of a Pyramid

Height of a Trapezoid

Height of a Triangle

Helix

Heptagon

Hero’s Formula

Heron’s Formula

Hexagon

Hexahedron

High Quartile

Higher Derivative

Higher Quartile

HL Congruence

HL Similarity

Hole

Homogeneous System of Equations

Horizontal

Horizontal Compression

Horizontal Dilation

Horizontal Ellipse

Horizontal Hyperbola

Horizontal Line Equation

Horizontal Line Test

Horizontal Parabola

Horizontal Reflection

Horizontal Shift

Horizontal Shrink

Horizontal Stretch

Horizontal Translation

Hyperbola

Hyperbolic Geometry

Hyperbolic Trig

Hyperbolic Trigonometry

Hypotenuse

Hypothesis