Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Hinge Theorem and Its Converse
Author:
Samantha Garcia
In the figure below,
AE
=
BF
and
AC
=
BD
. Move points
E
,
C
,
F
, and
D
to change the size of angles
A
and
B
. What do you notice about the lengths of
EC
and
FD
and their opposite angles?
GeoGebra
New Resources
探究由平行線和截線所成的角
Droste effect
alg2_05_05_04_applet_exp_fxn_flvs
alg2_05_05_01_slider_practice_flvs
Poorly Drawn Parallelograms 2
Discover Resources
Elephant Tesselation Part 7
Grzech Cubic FN
i see it means midline conjecture
Balancing Act
Parallelogram - Buss
Discover Topics
Arithmetic Operations
Angles
Definite Integral
Terms
Trapezoid