Lanie chapter 6

Table of Contents

• Corollary to the polygon angle-sum theorem

  • Obvious Corollary
  • Consecutive Interior Angles Theorem
  • Effortless Trisections
  • Diagonals in a quadrilateral
  • Animation 35

• Theorem 6-2 polygon exterior angle-sum theorem

  • Quadrilateral: Exterior Angles
  • Shineequa´´s Regular Polygon

• Theorem 6-3

  • Special Quadrilateral: Theorem 1

• Theorem 6-4

  • Triangle Angle Sum Theorem

• Theorem 6-5

  • Proof that Congruent Opposite Angles Implies Parallelogram
  • Theorem 40

• Theorem 6-6

  • Animation 125
  • Parallelogram: Theorem (3)

• Theorem 6-7

  • Animation 134

• Theorem 6-8

  • Proof for circumscribable quadrilateral
  • Opposite angles and Cyclic Quadrilateral

• Theorem 6-9

  • Consecutive Angles (SUPPLEMENTARY)
  • Consecutive Interior Angles (Supplementary)

• Theorem 6-10

  • Parallelogram: Theorem 1

• Theorem 6-12

  • parallel and congruent segment
  • SAS - Exercise 1B

• Theorem 6-13

  • Rhombus Action!
  • ACCESS - Rhombus

• Theorem 6-14

  • Construction of 5 Parallelograms

• Theorem 6-15

  • Theorem 4.1.1

• Theorem 6-16

  • Rhombus Diagonals
  • Geometry Lesson 6-4 Characteristics of a Rhombus

• Theorem 6-17

  • Rhombus With Bisected Angles

• Theorem 6-18

  • Rectangle Diagonals
  • Diagonals of a Rectangle

• Theorem 6-19

  • Graph the Line
  • ACCESS - Trapezoid

• Theorem 6-20

  • Isosceles Trapezoid Template

• Theorem 6-21

  • Dynamic Proof Of Triangle Mid-Segment Theorem
  • Mid-segment of a Trapezoid

• Theorem 6-22

  • ACCESS - Kites
  • Kite Template: Scaffolded Investigation