In A KLM, k=90° and D is a point of KL so that KD :DL=2:1 and DE//LM with E on

In A KLM, k=90° and D is a point of KL so that KD :DL=2:1 and DE//LM with E on KM

1. if DL =x and EM =y , express LM² in terms of x and y​


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