Area of a trapezium is given by:

• 2 x Height x (Sum of the parallel sides)

• Height x (Sum of the parallel sides)

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Mrs. Kaushik has a square plot with the measurement as shown in the figure. She wants to construct a house in the middle of the plot. A garden is developed around the house. Find the total cost of developing a garden around the house at the rate of Rs 55 per m².