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![Proof that Pi is Irrational [With Video] - Class 9 Ganita Manjari - Pi is Irrational](https://cdn.teachoo.com/4841d554-1773-4fb5-acdd-54925a3207e1/slide28.jpg)
Pi is Irrational
Last updated at May 29, 2026 by Teachoo
Class 9
Chapter 6 Class 9 - Measuring Space: Perimeter and Area (Ganita Manjar
- Definition (and Quesitons)
- Perimeter of Different Shapes
- Perimeter of a Circle - C/D Ratio
-
Pi is Irrational
- Length of an Arc of a Circle
- Problems, Puzzles, and Paradoxes on Perimeter
- Exercise Set 6.1
- Area of Square & Rectangle
- Area of a Parallelogram
- Area of a Triangle
- Heron's Formula
- Circumcircle and Incircle of a Triangle
- Brahmagupta’s Formula for the Area of a Cyclic 4-gon
- Squaring a Rectangle
- Exercise Set 6.2
- Area of a circle
- Exercise Set 6.3
- End-of-Chapter Exercises
Transcript
Pi is Irrational DIGITS GO ON FOREVER! Rational Fractions (Rhythmic pattern) Pi Digits ( No Pattern! RATIONAL OR IRRATIONAL? RATIONAL (a/b) IRRATIONAL (Not a/b) Cannot be written as a simple fraction Written as Ratio of Integers Remember: is another irrational.THE JOURNEY OF PROOF.PPROXIMATIONS: GOOD ENOUGH VS. TRUE PI TRUE ENDLESS PI (II) PATH 3.141592 6535588... 3.141592 [55335699] 3.1
