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  1. Year 9 Mathematics
    1. 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)

    • Corresponding Angles and Parallel Lines

    • 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

    • Trefoil Knot
    • Rose Curve
    • Model sferyczny - sześcian-ośmiościan
    • z`]]
    • Some random function

    Discover Resources

    • A Quick Dilation run-down
    • Triangle Centers
    • worksheet 6.3 Q2
    • Semi1
    • quadShaC

    Discover Topics

    • Sine
    • Complex Numbers
    • Fractal Geometry
    • Continuity
    • Conic Sections
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