The Pythagorean Theorem

learning_notes

Last updated: 8/16/2025

Key Concepts:

  • The Pythagorean theorem states that in a right triangle: (a^2 + b^2 = c^2) where a and b are the legs and c is the hypotenuse.
  • Pythagorean triplets (e.g., (3-4-5), (5-12-13)) can be used for quick calculations.

Skills Covered:

  • Solving for a missing side length when given two sides of a right triangle.
  • Applying the theorem to real-world problems involving rectangles and diagonals.

Example Problems:

  • Given legs of 6 cm and 8 cm, find the hypotenuse.
  • Find the length of a rectangle’s diagonal when its width is 5 and height is 12.

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