A square park a squar park has sides 30m * 30m.A path 1m wide is built inside it . The remaining part of the park is covered by grass .if the total cost of covering by grass is rs 1176; find the rate per squar metre at which the park is covered by grass.
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The area of the square park is 30×30 = 900 sq. m.
Since the path of width 1m is built inside the park, the length of the inner park (remaining) becomes (30-2) = 28m.
The area becomes 28×28 = 784 sq. m.
The rate is 1176÷784 = ₹ 1.5 per sq. m.
Since the path of width 1m is built inside the park, the length of the inner park (remaining) becomes (30-2) = 28m.
The area becomes 28×28 = 784 sq. m.
The rate is 1176÷784 = ₹ 1.5 per sq. m.
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you hve the answer already :)
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