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Copy of Reference Angles and Triangles
Author:
Silvia Petrovska Gallo
,
Scott Farrar
Drag point P to explore angle values within a unit circle. Blue = Standard Angle, Red = Reference Angle.
GeoGebra
What is a reference angle? / Why do we use them?
New Resources
Angles and Intersecting Lines: Quick Investigation
Piano. Keyboard.
Simplifying Radicals: Geometric Thin Slice
Slope Field (1)
Odd or Even
Discover Resources
Outlier Influence
MEI Further Mathematics Matrices Assessment Q3 Explore
Angle bisector theorem and converse
Topic 11 MS
Regular Polygon Area
Discover Topics
Normal Distribution
Curve Sketching
Derivative
Mode
Statistics