Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Midline Theorem
Author:
Ted Courant
Drag the slider to see the transformation
GeoGebra
A triangle becomes a parallelogram, whose opposite sides are congruent. Interpret this fact in terms of the original triangle.
New Resources
探究由平行線和截線所成的角
Poorly Drawn Parallelograms 3
What is an Isogonal Conjugate?
alg2_05_05_01_slider_practice_flvs
Exploring the Derivative of an Exponential Function
Discover Resources
Extension 2 Transformations
Polar Cooridinates Applet
sin(z)
circumcenter and incenter
Trigonometry _Sine rule, cosine rule, Area of triangle proofs
Discover Topics
Differential Calculus
Derivative
Cuboid
Ratios
Variance