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2. A path 1 m wide is built inside a square park of side 30 m along its sides. Find the area of the path. Calculate the cost of constructing the path at the rate of * 70 per m2.bla1 25 cm of the table coveri |
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Answer» side of square park (A) = 30m width of path = 1M side of inner park (a) = 30-1-1 = 28M cost of CONSTRUCTION = 70 per m^2 AREA of path = Area of square park - area of park inside the path = A^2 - a^2 = 30^2 - 28^2 = 900 - 784 = 116m^2 Cost of construction of path = 70×116 =8120 |
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