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Angle Invariants
Author:
Vivian Buchanan
GeoGebra
1) Drag point D in between points G and C. 2) Which angles are the same? (Say
"Angle ABC" for example) 3) Find a
pair
of angles that add to 180 degrees. Draw a diagram and label their locations.
New Resources
Average Rate of Change: Graph a Function (1)
Exploring the Derivative of a Quadratic Function
Poorly Drawn Parallelograms 3
Parallelograms: Quick Investigation
Icosahedron
Discover Resources
Slope of Secant & Tangent Lines
orthocenter
A trapezium and parallel vectors.
Secant of x^2
(10/3) and (10/4) polygons
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Rectangle
Polynomial Functions
Sine
Volume
Straight Lines