8.a square plot of land sides measuring 75 m each is to be exchanged for a rectangular piece of land. Find the length of the piece of its breath is 35m also find its area

9. Find the area in square metres of a square field 49m7dm being the measure of its side

10.two plots of land one a square with side 40m and another a rectangle with length 55m have the same perimeter. Which one has the greater area?

11. Find the cost of tiled a field which is 270m long and 35m wide at ruppes5.35 per square meter

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