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Outline

  1. Congruent Triangles
    1. Angles of Triangles

    Congruent Triangles

    Author:Cathy
    Topic:Triangles
    A discovery of congruent triangles and their properties

    Angles of Triangles

    How are the angle measures of a triangle related?

    • Finding Angle Measures

    • Measuring Exterior Angles

    • Classifying Triangles by Sides-part 1

    • Classifying Triangles by Sides-part 2

    • Classifying Triangles by Sides - part 3

    • Classifying Triangles by Angles

    Next
    Finding Angle Measures

    New Resources

    • Angle Addition: Warm Up Exercises
    • Damped Trochoidal Curve
    • Fourier Lissajous (Mechanical)
    • Model sferyczny - dwunastościan-dwudziestościan
    • Trefoil Knot

    Discover Resources

    • Constructions and Rigid Motions: Reflections
    • Transformation: Reflection over a line
    • angles
    • Untitled

    Discover Topics

    • Incircle or Inscribed Circle
    • Rectangle
    • Integers
    • Logic
    • Symmetry
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