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The area of a triangle formed by a plane
Author:
Mark Willis
Topic:
Area
GeoGebra
New Resources
Icosahedron1
Parallelograms: Quick Investigation
Average Rate of Change: Graph a Function (2)
Poorly Drawn Parallelograms
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Discover Resources
Law of Cosine Proof - visuals only
One to One
notes day 54
day 73
Caustics for Spherical and Parabolic Mirrors
Discover Topics
Piecewise Functions
Straight Lines
Parallelogram
Ratios
Parabola