Question
A piece of wire of length 50 cm is folded into the shape of a rectangle EFGH. It is then folded at a corner as shown. FJ = JG, JK = 5 cm. What is the length of EF?
2 m

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A piece of wire of length 50 cm is folded into the shape of a rectangle EFGH. It is then folded at a corner as shown. FJ = JG, JK = 5 cm. What is the length of EF?