![What is the sum of the first (n – 1) odd numbers? [Class 8 Maths] - Pythagorean triples](https://cdn.teachoo.com/e51ae276-588e-4581-9dd0-ff989334400d/slide120.jpg)
Question 1 - Page 50 - Pythagorean triples - Chapter 2 Class 8 - The Baudhayana-Pythagoras Theorem (Ganita Part 2)
Last updated at February 20, 2026 by Teachoo
Pythagorean triples
Pythagorean triples (Baudhāyana triples)
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Class 8 (Ganita Prakash - 1, 2 & Old NCERT)
Chapter 2 Class 8 - The Baudhayana-Pythagoras Theorem (Ganita Part 2)
- Doubling a square
- Halving a square
- Hypotenuse of an Isosceles Right Triangle
- Decimal Representation of √2
- Figure it out - Page 39, 40
- Formula for Hypotenuse of an Isosceles Right Triangle
- Combining Two squares
- Baudhāyana’s Theorem on Right-angled triangles
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Pythagorean triples
- Figure it out - Page 50
- A Long-Standing Open Problem
- Further Applications of the Baudhāyana - Pythagoras Theorem
- Figure it out - Page 52, 53, 54
Transcript
Question 1 - Page 50 What is the sum of the first (n – 1) odd numbers?We know that Sum of the first 𝒏 odd numbers is 𝒏^𝟐 And, we can also say Sum of the first 𝒏−𝟏 odd numbers is 〖(𝒏−𝟏)〗^𝟐
