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GeoGebra
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Quadrilaterals
Author:
Jim Moser
Move around the points and notice the sum of the interior angles.
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نسبت پاره خط ها
G_7.04 Applications of similarity
Demo: dashed trace
G_3.01 Triangles and angles_2
G_10.04 Parallel and perpendicular lines_1b
Discover Resources
test
Multiplication_construction
The second derivative test
Cosine Animation
Pop that Balloon 1
Discover Topics
Parabola
Conic Sections
Mode
Reflection
Statistical Characteristics