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Reference Angles and Triangles Degrees
Author:
holly.postlewaite
,
Scott Farrar
Drag P. Blue = Standard Angle, Red = Reference Angle.
GeoGebra
What is a reference angle? / Why do we use them?
New Resources
Colouring of Venn Diagram
Untitled
Dividing a 2-digit number by a 1-digit number (2)
Dividing a 2-digit number by a 1-digit number (1)
Mosaic
Discover Resources
Task 1: Rectangle Construction
Octagon Interior Angle Sum
Dogsv5
Monotonie und Ableitung
Discover Topics
Exponent
Logic
Limits
Statistical Characteristics
LCM and GCD