Class 8 · No. 09 · The Baudhayana–Pythagoras theorem0%
Class 8 · Math · No. 09

The Baudhayana–Pythagoras theorem

See it, prove it, use it

Around 800 BCE, Baudhayana wrote in his Shulba Sutra how to make a perfect right angle with a rope. Much later the Greeks called the rule Pythagoras’ theorem. In this chapter you will see it, prove it and use it.

Think about it

A ladder 5 m long leans on a wall with its foot 3 m away. How high up the wall does it reach?

In this chapter
  1. §1Squares on the sides
  2. §2Why it is always true
  3. §3Is it a right angle?
  4. §4Finding a missing side
  5. ★Practice: 10 questions
  6. ◆Olympiad challenge: 5 questions
  7. ✓Recap: remember this
Plate IThe Baudhayana–Pythagoras theorem
91625a² + b² = c²