Artificial intelligent assistant

Constructing a quadrilateral using the method of translation - Kiselev Ending the fourteenth chapter of Planimetry is the following construction: ![enter image description here]( Why is this a construction, when the quadrilateral in question is already given.

The quadrilateral is not given. Given are only the lengths of its sides and the length of $EF$.

Now you have to reassemble this quadrilateral. You can imagine as some sticks which are appart of each other and you have to get them together.

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