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GeoGebra
Triangle Similarity Investigation 1
Author:
rrucker
The two given angles may be changed with the sliders and the positions of points A, B, C, and D may also be changed by dragging them.
New Resources
Unit 3 Constructions - Copy an Angle
Impossible Pipe
Eratosthenes measure of the circumference of Earth
Geogebra - introduction
Geometry Constructions
Discover Resources
areperpendicularABC-c
Tetrahedron with a special angle
Similar Polygons (Quadrilaterals)
Integration - area under curve
#30 on page 88
Discover Topics
Volume
Circle
Centroid or Barycenter
Special Points
Percentages