# Two rectangles

I cut out two rectangles with 54 cm², 90 cm². Their sides are expressed in whole centimeters. If I put these rectangles together I get a rectangle with an area of 144 cm

^{2.}What dimensions can this large rectangle have? Write all options. Explain your calculation.**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

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