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Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Outline
Year 9 Mathematics
Geometry
Year 9 Mathematics
Author:
Patrick Robertson
Topic:
Angles
,
Congruence
,
General Quadrilateral
,
Geometry
,
Mathematics
,
Polygons
,
Similar Triangles
,
Geometric Transformations
,
Triangles
Geometry
Complementary Angles Meaning
Supplementary Angles Meaning
Vertical Angles Exploration (1)
Exploring Alternate Interior Angles (V2)
Exploring Alternate Exterior Angles (V2)
Exploring Corresponding Angles (V2)
Same-Side-Interior Angles: Quick Investigation
Same-Side-Exterior Angles: Quick Investigation
Transversal Intersects Parallel Lines
Exploring Polygon Angles: Triangle through Octagon
Polygons: Exterior Angles - REVAMPED
Next
Complementary Angles Meaning
New Resources
Shells
Reflection = 180° Rotation about a Line
Making New Year's resolutions for 2026
Exploring GeoGebra for the First Time
Triangle with 3 Right Angles
Discover Resources
translation-4
Cantor Dust (4th Level)
Euclidean Root Calculator
Table 1
Generating the graph of f(x) = sinx的副本
Discover Topics
Power Functions
Tangent Function
Difference and Slope
Cuboid
Hyperbola
