Question
A piece of wire of length 90 cm is folded into the shape of a rectangle LMNP. It is then folded at a corner as shown. MQ = QN, QR = 9 cm. What is the length of LM?
2 m

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A piece of wire of length 90 cm is folded into the shape of a rectangle LMNP. It is then folded at a corner as shown. MQ = QN, QR = 9 cm. What is the length of LM?