Question

A path 1m 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.​

Answer 1

Step-by-step explanation:

given

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 inner park=A^2 - a^2

=30^2 - 28 ^2

= 900 - 784

= 116 m^2

cost of construction =70×116=8120$

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Answer 2

Answer:

A path 1m 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.

Step-by-step explanation:

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