The surface area of a brick is given by the rule:

total surface area = 2 × [(width × height) + (width × length) + (height × length)]

The brick shown has a total surface area of 982 square centimetres.
 

What is the width of the brick?   (2 marks)

The total surface area of a cube is 150 cm².
 

 How long is an edge of the cube?   (2 marks)

The rectangular prism, shown below, is cut in half to form 2 equal cubes.
 

What is the ratio of the surface area of the rectangular prism to one of the cubes?   (3 marks)

A net of a cube is pictured below.
  

The cube has a volume of 512 cubic centimetres.

What is the height of the net in centimetres?   (3 marks)

Clancy needs to paint all sides of a triangular prism.

The area of each triangular face is 12 cm².

What is the total area Clancy needs to paint?   (2 marks)

A cube has a side length of 6 cm.

Two smaller cubes of side length 3 cm are attached to the larger cube as shown in the diagram below.
  

What is the surface area of the new object?   (3 marks)

Find the surface area of the solid below where all measurements are in metres.  (2 marks)
 

A triangular prism has the following dimensions (all measurements are in metres).
 

1. Draw a net of the solid   (1 mark)

2. Find the surface area of the prism.  (2 marks)
   

A triangular prism has the following dimensions (all measurements are in centimetres).
 

1. Draw a net for this solid.   (1 mark)

2. Find the surface area of the prism.  (2 marks)
   

Find the surface area of the rectangular prism pictured below, correct to 1 decimal place. All measurements are in metres.  (2 marks)
 

Find the surface area of the rectangular prism pictured below. All measurements are in metres.  (2 marks)