PRESENTATION OUTLINE
Volume of a Rectangular base pyramid and Volume of a Cone
A rectangular-base pyramid as the name implies has a rectangular base and its triangular faces meet at the top called its apex.
Volume of a rectangular base pyramid
Volume = 1/3×Area of the base ×height
Volume = 1/3×A×H
or
Volume = 1/3×Length ×width ×height
A cone is a distinctive three-dimensional geometric figure that has a surface and a curved surface pointed toward the top. The pointed end of the cone is called the apex, where as the flat surface is called the base.
The Volume of a Cone
V = 1/3 x πr^2 x h
Use 𝝅 = 3.142
Example1: Find the volume of a rectangular pyramid with length = 12 ft, width = 9 ft and height = 16 ft
Volume = 1/3 ×length ×width × height
Volume = 1/3 ×12ft ×9ft×16ft
Volume = 1/3 ×108ft×16ft
Volume = 576 ft^3
Example 2: Find the volume of a cone with radius =3cm and height = 4cm
Volume = 1/3×3.142×3cm×3cm×4cm
Volume = 1/3×28.278cm×4
Volume = 1/3×113.112
Volume = 37.704 cm^3
