Area of Polygons

Ben Roth, Apr 28, 2015

This book contains student created proofs for the areas of polygons.

Table of Contents

  1. Triangles
    1. Right Triangle
    2. Right Triangle
    3. Right Angle Triangle
    4. Right Angle Triangle
    5. Right Angle Triangle
    6. Acute Triangle
    7. Acute Triangle
    8. Obtuse Triangle Area
    9. Obtuse-Triangle#3
    10. Obtuse Triangle
    11. Area of a Obtuse Triangle (Proof)
  2. Quadrilaterals
    1. Parallelogram
    2. Parallelogram
    3. Parallelogram Proof
    4. Proof for Area of a Parallelogram (Maek)
    5. Parallelogram
    6. Area of of a Parallelogram
    7. Trapezoid Formula Proof

1.

Triangles

  • 1. Right Triangle
  • 2. Right Triangle
  • 3. Right Angle Triangle
  • 4. Right Angle Triangle
  • 5. Right Angle Triangle
  • 6. Acute Triangle
  • 7. Acute Triangle
  • 8. Obtuse Triangle Area
  • 9. Obtuse-Triangle#3
  • 10. Obtuse Triangle
  • 11. Area of a Obtuse Triangle (Proof)

1.1.

Right Triangle
– Nacha

1.2.

–

1.3.

–

1.4.

–

1.5.

–

1.6.

–

1.7.

–

1.8.

–

1.9.

–

1.10.

–

1.11.

–

2.

Quadrilaterals

  • 1. Parallelogram
  • 2. Parallelogram
  • 3. Parallelogram Proof
  • 4. Proof for Area of a Parallelogram (Maek)
  • 5. Parallelogram
  • 6. Area of of a Parallelogram
  • 7. Trapezoid Formula Proof

2.1.

Parallelogram
– Irene

2.2.

–

2.3.

–

2.4.

–

2.5.

–

2.6.

–

2.7.

–

Information