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Area of a Trapezoid
Author:
Jeff Caldwell
Topic:
Area
,
Trapezoid
GeoGebra
New Resources
Bottema's Theorem
Introduction
Ellipse as Envelope - Correspondence Method
"Compressed" Astroid as Envelope
Stairs (Optical Illusion)
Discover Resources
分數比一比
Sam the Cubic Snake
Parallel Lines and Angles
Similar Triangle Investigation 2
Неравенства+Ур-я_Показ+лог_ТЕСТ 10 примеров
Discover Topics
Root
Arithmetic Mean
Polygons
Angles
Rotation