2.1 The following diagram shows a cylindrical lamp shade. Use the information to
answer the questions that follow
2.1.1 Explain the term circumference in this context. (2)
2.1.2 Determine the radius of the lamp shade in centimetres. (3)
2.1.3 Hence, calculate the circumference of the lamp shade in centimetres. (2)
2.1.4 A worker stated that the height of the lamp shade is 65% more than the
diameter of the lamp shade.
Verify, with the necessary calculations, whether the statement is valid or
not. (3)
2.1.5 The lamp shade needs to be covered with material.
Calculate the area for the material required if 4,25% wastage must be
allowed for seams and overlaps. Give your final answer to the nearest square
centimetre. (5)
2.2
2.2.1 How many parts are used to assemble the floor shade excluding the tools
(Allen keys and wrench)? (2)
2.2.2 Determine the probability of randomly using a set screw to assemble the
floor lamp. Write your final answer to 3 decimal places. (3)
2.2.3 Give a reason why the manufacturer included an ‘IMPORTANT’
instruction to the assemblement. (2)
2.2.4 Explain why the manufacturer did not include a bulb in the packaging. (2)
2.2.5 Explain the purpose of the connector. (2)
[26]