2215 /www/nrich/html/content/04/weekly/prob15/ 1 2011-02-01T00:00:01 <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0"><br></br> <p>A sheet of A4 size paper (297mm x 210mm) is folded once and then laid flat on the table.</p> <p>Which of these shapes could not be made?</p> <p style="text-align: center;"><mdo:image alt="shapes" src="shapes.gif"></mdo:image></p> <p> </p> <p>If you liked this problem, <a href="http://nrich.maths.org/1797">here is an NRICH task</a> which challenges you to use similar mathematical ideas.</p></mdoxml> <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0"> <p>B</p> </mdoxml> 2 3 0 0 0 0 0 What shapes can be made by folding an A4 sheet of paper only once?