The diagram shows a cuboid in which the area of the shaded face is one-quarter of the area of each of the two visible unshaded faces. The total surface area of the cuboid is 72cm2. What is the area of one of the visible unshaded faces of the cuboid?
Select one option, then click Submit.
16
28.8
32
36
48
Select an option, then submit.
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Junior Mathematical Challenge 2011 (2011)
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