Geometry

Inhaltsverzeichnis

• Transformations

  • Reflections x-axis
  • What's My Rule #2?
  • 2 - What's My Rule
  • What's My Rule #3?
  • 4 - What's My Rule
  • 5 - What's My Rule?
  • What's My Rule #6?
  • What's My Rule #2: Point Style!
  • What's My Rule #3: Point Style!
  • What's My Rule #1: Point Style!
  • Rotating a Triangle Around a Coordinate Axis
  • Double Reflection
  • Reflection Activity
  • Transformations
  • Rigid Motions of the Plane
  • Translations and Reflections, Hearne, Erik
  • Kaleidoscope
  • Reflections, Rotations, Dilations, and Translations
  • Experimenting with reflection

• Angles

  • Exterior Angles of Polygons
  • Angle sum theorem
  • Investigation of the sum of angles in a triangle
  • Exterior angle of a triangle

• Area

  • Cut Triangles into Rectangles & Dudeney's Puzzle Generalized
  • Area of a Circle - Wedge/Sector Demonstration
  • Area of Circles
  • Trapezoid: Area (I)
  • Area of Trapezoid

• Volume

  • Patterns of a cube
  • Net of a Cone
  • Surface Area of Spheres
  • Curved Surface Area of Cones (Parametric Curved Surface)
  • Cavalieri's Principle
  • Cavalieri's Principle
  • Archimedes and the Volume of a Sphere
  • cube cross section
  • Volume of rectangular prisms
  • Adjustable Prisms
  • 12.1a Lateral Area of a Cone
  • Right Circular Cylinder!
  • Surface Area & Volume of Rectangular Prisms
  • Rectangular Pyramid

• SIn, Cos, Tan

  • Trigonometry- Finding A side Lenght in A Right Triangle
  • Trigonometric Ratios (Right Triangle Context)
  • Right Triangle Ratios
  • Falling tree
  • Ferris Wheel Unit Circle
  • Law of Sines

• Fun

  • Water Triangle
  • Pythagorean Polygons
  • Escherized Tessellation
  • Relative Velocity: Boat Crossing a River
  • Analog Clock

• Proofs

  • Proof Without Words
  • SAS: Dynamic Proof!
  • SSS: Dynamic Proof!
  • Is "SSA" Legit? What Do You Think?
  • Animation 97

• Similarity

  • Similar Right Triangles (II)
  • AA Similarity Theorem

• Circles

  • Congruent Chords (I)
  • Inscribed Angle Theorem: Corollary 1
  • Angle Formed by 2 Chords (II)
  • Angle Formed by Chord & Tangent (II)