Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Butterfly Theorem
Author:
jorj.kowszun
Let M be the midpoint of a chord PQ of a circle, through which two other chords AB and CD are drawn; AD cuts PQ at X and BC cuts PQ at Y. Prove that M is also the midpoint of XY
GeoGebra
New Resources
Making New Year's resolutions for 2026
bewijs stelling van Pythagoras
רישום חופשי
Reflection = 180° Rotation about a Line
Untitled
Discover Resources
Conditions of parallelograms #7
Exponential Function WYHK
orthocentre
AM 2014 P2 Q8
Inverse en snijpunten
Discover Topics
Integers
Vectors
Exponent
Subtraction
Calculus