The Quadrilateral Family

Author:Gabriel Davis

Below are five members of the quadrilateral family: a rectangle, a rhombus, a square, a parallelogram, and a trapezoid. Investigate these figures to discover their properties and how they are related to one another.

New Resources

Isosceles Right Triangle
Marion's Theorem
Building Algebra Tile Models for Trinomials
Mandelbrot 2
Deciding How New Information Affects Probability

Discover Resources

Angle in a semi-circle
Rounded Cube Frame
Rotations
Algebra & Precalculus Demos with Resource Links: GeoGebra 3D with AR (iOS)
Inner and Outer Pentagon Points and Conics

Discover Topics

Interest Calculation
Symmetry
Vectors 2D (Two-Dimensional)
Normal Distribution
Combinatorics