Vocabulary

Area: The space occupied by a flat shape or the surface of an object. The area of a figure is the number of unit squares that cover the surface of a closed figure.

Concept

Determine the equation to find the total area of a given net.

Rule

To find the equation of the total area of the net, add the equations of area of each separate shape.

Example

Choose the correct equation to use to find the total area of the given net.

Solution

To find the total area of the net, calculate the area of each separate shape and add the areas together. The net consist of 2 circles and a rectangle.

Area of a circle: A = πr²

Area of a rectangle: A= lw

Pre-requisite Skills

Surface Area of Rectangular Prisms (6.11.5)

Circumference and Area of Circles (7.9.1)

Surface Area of Prisms (7.9.5)

Surface Area of Pyramids (7.9.6)