Question
A piece of wire of length 80 cm is folded into the shape of a rectangle DEFG. It is then folded at a corner as shown. EH = HF, HJ = 8 cm. What is the length of DE?
2 m

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A piece of wire of length 80 cm is folded into the shape of a rectangle DEFG. It is then folded at a corner as shown. EH = HF, HJ = 8 cm. What is the length of DE?