Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Area of a Trapezoid by Similarity
Author:
John Golden
Topic:
Area
,
Trapezoid
Inspired by Ed Southall's trapezoid musings.
http://solvemymaths.com/2015/03/07/proof-area-of-a-trapezium-trapezoid-us/
In the sketch, it is set up so BC<=AD. Is that an okay assumption to make?
GeoGebra
New Resources
aperiodic monotile construction_step by step
Flip Flop
Droste effect draft
Art and Rotational Symmetry
Exploring Simple Loci 探究簡單軌跡
Discover Resources
Gabe Main
Vertical Angles
Plotter für ebene Kurven
Descartes (1664): instrument for generating curved lines
La spirale dansante des cubes
Discover Topics
Tangent Line or Tangent
Geometry
LCM and GCD
Frequency Distribution
Functions