Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
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
seo tool
From Polar to Cartesian Coordinates
Billard V5.2 and V6
函數的單調性
Select an object for a time to start a command. Light
Discover Resources
Mandelbrot set
Bielski, Caleb. Introduction Geogebra Project
M BISEKCJI v6
Turquía (Kayseri): Euclides.
y'=y^2
Discover Topics
Planes
Complex Numbers
Geometric Mean
Limits
Rhombus