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Perpendicular Lines
Author:
Austen Meek
Follow the instructions in the gold rectangles. Make a mistake--use the undo curved to the left arrow in the upper right hand corner.
GeoGebra
New Resources
Exploring the Derivative of a Quadratic Function
Exploring the Area of a Triangle
Quiz: Finding Average Rate of Change
Dodecahedron
Shadow of a Cube (v2)
Discover Resources
start, create a 135 degree angle
Area of a Circle
maths
G.GCI.3 Incenter Exploration
Zlati rez trikotnik in pet-kotnik
Discover Topics
Geometry
Triangles
Numbers
Solids or 3D Shapes
Equations