1. A square carpet, one side of which is 5 m. 2. A piece of rectangular land is 110 m long and 73 m wide. 3. A classroom 9 m by 9 m. 4. A window 4 feet by 2 feet 5. A trapezoid-shaped piece of wood which bases measure 128 m, 92 m and its height is 40 m
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