[Resource] Mensuration



Resource 1

You can find the list of useful formulae in your textbook:

  • Chapter 13 (Summary page) p357
  • Chapter 14 (Summary page) p387

Resource 2


Below is a collection of video clips that attempted to explain how the formulae (area and volume) for some planes and solids are derived from their relationships with other shapes and solids.


Area of Parallelogram




Area of Trapezium



Area of Circle - explained through area of rectangle

Sourcehttps://www.facebook.com/885615018152283/videos/999486583431792/






Volume of Cone
The volume of a cone fills up one-third of the volume of cylinder, i.e. we need three cones to fill up a cylinder.



 


Volume of Pyramid







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