The figure shows four smaller squares in the corners of a large square. The smaller squares have sides of length 1cm, 2cm, 3cm and 4cm (in anticlockwise order) and the sides of the large square have length 11cm.
What is the area of the shaded quadrilateral?
Select one option, then click Submit.
35 \text{ cm}^2
36 \text{ cm}^2
37 \text{ cm}^2
38 \text{ cm}^2
39 \text{ cm}^2
Select an option, then submit.
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Intermediate Mathematical Challenge 2015 (2015)
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