The large rectangle shown has been divided into 6 smaller rectangles. The shaded rectangle in the bottom-right corner has dimensions of 2 cm × 3 cm. The remaining five rectangles all have the long side equal to twice the short side. The smallest of these has a width of 1 cm. What is the total area of the original large rectangle, in square centimetres?
Select one option, then click Submit.
42
44
50
56
70
Select an option, then submit.
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Australian Mathematics Competition 2019 - Junior (2019)
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