Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
NRICH angle problem
Author:
John Golden
Topic:
Angles
Lovely little problem from NRICH, via Michael Pershan
https://nrich.maths.org/9341
Adde some interactive elements, of course.
GeoGebra
New Resources
Cross Product in 2D and 3D
Bottema's Theorem
Supplementary Angles
Introduction
Witch of Agnesi - A Classical Construction
Discover Resources
Extreme values 2
This is a standard construction of an angle bisector.
Introduction
VectorTranslation1
The Euler Line
Discover Topics
Function Graph
Logic
Functions
Dilation
Matrices