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Congruent Triangles
Author:
Thomas Haferd
Topic:
Triangles
GeoGebra
New Resources
Reflection across a line
Prism Drawn in 1-Point Perspective
Equation of Locus - Parabola
Making New Year's resolutions for 2026
Pitfalls of Disk/Washer Method
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Triangle Cross Section to form 3D Solid
rectangles on a coordinate plane
Slope of a line (rise over run)
Reciprocal graphs
(draft) Soccer Field Geometry
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Conic Sections
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Median Value
Ellipse
Right Triangles