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Pythagoras and Cosine Rule by scale factors
Author:
Richard Trimble
Topic:
Cosine
GeoGebra
New Resources
Reflection = 180° Rotation about a Line
seo tool
Reflection Across 2 Parallel Lines
Circle Passing Through 3 Points
Volume by Disk/Washer around y
Discover Resources
The equations of tangent and normal for a parametric curve
Example 4
CCSS High School: Geometry (Similarity, Right T, Trig.)
SinCosTan_Edit
Area of a Circle Puzzle
Discover Topics
Centroid or Barycenter
LCM and GCD
Logic
Parabola
Kite