Geometry

Breck Jacobs

Special Right Triangles 45-45-90 and 30-60-90.


  • 1. Rectangle and Triangle Area Relationship
  • 2. Area of a parallelogram
  • 3. Area of a Rhombus
  • 4. Area of a kite
  • 5. Area of a Kite
  • 6. Area of Trapezoid Applet
  • 7. Area of a Trapezium finding and comparing
  • 8. Explore the Hinge Theorem and its Converse.
  • 9. Triangle Inequalities
  • 10. Triangle Inequality Investigation
  • 11. Exploring Special Right Triangles
  • 12. Pythagorean Theorem - a "proof without words"
  • 13. Pythagorean theorem
  • 14. ACCESS - Similar Triangles
  • 15. 8.1 Pythagorean Thm & Converse & Pythagorean Ineq Thm
  • 16. Side, Perimeter, and Area of Similar Figures.
  • 17. Point in an Equilateral Triangle - revisited

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Rectangle and Triangle Area Relationship

[b][/b]Use this sketch to help you understand how the area of a triangle relates to the area of a rectangle.
[b][/b]Key Questions:[br][br]1. What is the relationship between the length, width, and area of the rectangle?[br][br]2. How does the area of the rectangle relate to the area of the triangle?[br][br]3. Does it matter where the point E is on the rectangle? Why or why not?
– harbaughmath2012

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