A figure in the shape of a cross is made from five 1 × 1 squares, as shown.
The cross is inscribed in a large square whose sides are parallel to the dashed square, formed by four of the vertices of the cross. What is the area of the large outer square?
Select one option, then click Submit.
9
\frac{49}{5}
10
\frac{81}{8}
\frac{32}{3}
Select an option, then submit.
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Senior Mathematical Challenge 2009 (2009)
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