In this activity, you will be challenged to work out volume and area of different shapes.
Volume
Remember, volume is measured in cubic units, e.g. 1 cm³ or 1m³.
We need to know the following formulae to work out the volumes of these 3D solid shapes.
Cube
You must know the side length.
Remember, the length, the width and the height will all be equal to the side length because this is a cube.
Volume of cube = side length x side length x side length.
Cuboid
You must know:
The length
The width
The height
Volume of cuboid = length x width x height
Area
Remember area is measured in square units for example, m² or cm².
Rectangles
You must know:
The base length.
The perpendicular height from the base to the top.
Area of rectangle = base x height.
Parallelogram
You must know:
The base length
The perpendicular height from base to top (not the slant height)
Area of parallelogram = base x height
Triangle
You must know,
The base length
The perpendicular height from the base to the apex (not the slant heights)
Area of triangle = 1/2 base x height
Or
Area of triangle = base x height ÷ 2
Ready to get started?