Geometry

Classifying Quadrilaterals with Coordinate Geometry – This video will show you how to classify quadrilaterals using the slope and distance formulas.
Geogebra Angle-Side-Angle Constructor – This screencast uses geogebra to construct an angle side angle triangle.
Geogebra Side-Side-Side Triangle Constructor – This screencast uses geogebra to construct a triangle given three sides.
Geogebra Parallel Lines and Same Side Interior Angles – This screencast demonstrates parallel lines in geogebra.
Launching Geogebra – This screencast introduces how to launch the webstart version of geogebra from an internet browser.
Triangle Sums with Captions and Text – This screencast uses geogebra to measure the interior angles of a triangle and also uses captions and text.
Geogbra Isosceles Triangle with Captions and Text – This screencast uses geogebra to construct an isosceles triangle and adds captions and text.

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