Pythagoras Rectangles and Isosceles Triangles

This Pythagoras Rectangles and Isosceles Triangles video also includes:

When does the Pythagorean Theorem come in handy? An intriguing video uses the Pythagorean Theorem to solve problems other than simply finding the length of a side of a right triangle. Pupils find the diagonal of a rectangle and the altitude of an isosceles triangle to find the triangle's area.

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CCSS: Adaptable
Instructional Ideas

  • Brainstorm several types of problems that would require the Pythagorean Theorem to solve
Classroom Considerations

  • Textbook exercises cover several videos
  • Individuals should know how to find the area of a triangle
Pros

  • Includes answer keys for the worksheets
  • Highlights the importance of using the complete value of the length of a side, instead of just the rounded value when making further calculations
Cons

  • None
Common Core