Two rectangles overlap to create three regions, each of equal area. The orig- inal rectangles are 6 cm by 15 cm and 10 cm by 9 cm as shown. The sides of the smaller shaded rectangle are each a whole number of centimetres. What is the perimeter of the smaller shaded rectangle, in centimetres?
Select one option, then click Submit.
24
28
30
32
36
Select an option, then submit.
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Australian Mathematics Competition 2017 - Junior (2017)
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