Q2 of 43 Page 208

Find the area of a square park whose perimeter is 320 m.

It is given in the question that,


Perimeter of square park = 320 m


We know that,


Perimeter of square park = 4 × Length of the side of park


320 = 4 × Length of the side of the park


∴ Length of side of park =


= 80 m


We also know that,


Area of square = (Side)2


= (80)2


= 6400 m2


More from this chapter

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1

The length and the breadth of a rectangular piece of land is 500 m by 300 m respectively.

Find:


(i) Its area


(ii) The cost of the land, if 1 m2 of the land costs Rs. 10,000.

 3

Find the breadth of a rectangular plot of land. If its area is 440 m2 and the length is 22 m. Also find its perimeter.

 4

The perimeter of a rectangular sheet is 100 cm. If the length is 35 cm, find its breadth. Also find the area.

 5

The area of a square park is the same as of a rectangular park. If the side of the square park is 60 m and the length of the rectangular park is 90 m, find the breadth of the rectangular park.