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GeoGebra
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Outline
Area
Area: Triangle
Triangle: area
Triangle area (different basis)
Triangles area: parallel lines
Triangle area (same base)
Triangle area: same base & height
Area: Parallelogram (same sides not equal area)
Area: parallelogram to rectangle
Area: parallelogram (triangles)
Area: parallelogram (between parallel lines)
Area: parallelogram (parallel lines)
Area: KISS
Area
Author:
Gerrit Stols
Area: Triangle
Triangle: area
Triangle area (different basis)
Triangles area: parallel lines
Triangle area (same base)
Triangle area: same base & height
Area: Parallelogram (same sides not equal area)
Area: parallelogram to rectangle
Area: parallelogram (triangles)
Area: parallelogram (between parallel lines)
Area: parallelogram (parallel lines)
Area: KISS
Next
Area: Triangle
New Resources
van Aubel's Theorem
Napoleon's Theorem
Rotating Points (Optical Illusion)
Slope of a Straight Line: Run and Rise
Introduction
Discover Resources
y = mx + c
Daniel Criss video 2
Resta de vectores en el plano
Bisect a Segment
fun2
Discover Topics
Derivative
Perimeter
Multiplication
Trigonometry
Probability