Hart Interactive

Table of Contents

• Transformations

  • L5 Circumcenter
  • Messing With Lisa
  • Escherized Tessellation
  • Forest Hills (8.G.3 Describe the effect of dilations, trans)
  • Composition of dilations

• Similarity

  • Definition of Similarity 1
  • Definition of Similarity 2
  • Definition of Similarity 3
  • Definition of Similarity 4
  • Similar Game (Level 1)
  • Dilation Exploration
  • Similar Game (Level 2)
  • Similar Game (Level 3)
  • Parallel Line Side Splitter Theorem (Corollary)
  • Dilations Practice
  • Side Splitter Exploration
  • Similar Figures: Dynamic Illustration
  • AA Similarity Theorem
  • Similar Triangles

• Trigonometry

  • Sine and Cosine of Complementary angles
  • Pythagorean Theorem Proof without Words
  • Right Triangle vs. Acute & Otuse Trianlges

• Quadrilaterals

  • Parallelogram 2
  • Parallelogram Practice

• Area and Volume

  • Cavalieri's Principle
  • Principle of Parallel Slices in the Coordinate Plane
  • Cavalieri's Principle
  • Trisecting a Rectangular Prism (Improved)
  • Square Cross Section: Finished Product
  • right triangle paradox

• Coordinate Geometry

  • Module 4 Lesson 1
  • Proportional Segments Using Ratios

• Circles

  • M5L2 1. Diameter and Chord
  • M5L2 2.A. Congruent Chords
  • M5L2 2.B. Equidistant Chords
  • M5L2 3. Congruent Chords and Central Angles
  • Inscribed Angle Demonstration
  • Inscribed Quadrilateral
  • M5 L11/12 Properties of Tangents (A)
  • Properties of Tangents Drawn to Circles (B)
  • Tangents, Secants and Central Angles
  • Tangent-Secant angle at Radius
  • M5 L14
  • Angles and arcs of secant lines intersecting a circle
  • Tangents to Circles: Investigation
  • Tangent to Circle: Construction 1
  • Lesson 9.2 Chord Properties 1
  • ACCESS - Circles and Central Angles 1
  • Parallel Lines and Intercepted Arcs
  • Angles Outside Circle Theorems
  • L17 Two Intersecting Chords in a Circle
  • Two Intersecting Chords in a Circle
  • Relationships of segment lengths from the intersection of secants, chords, and tangents of a circle
  • Chords intersecting outside the circle
  • ACCESS - Secants
  • ACCESS - Secants and Tangents