[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

Source: https://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

---