Warthe following 11:52 Area of CircleTerduga flowerbed of radius 7 m at the centre of a field. He needs tourchase fertiliser. Irike of fertiliser is required for square metre area.w much fertiliser should he purchase?Arange the separate pieces as shown in Fig 11.36, which is roughly a parallelogram.1What will be the cost of polishing a circular table-top of radius 2 m at the rateOper square metre?ban vou tell what we need to find in such cases, Area or Perimeter? In suchsine need to find the area of the circular region. Let us find the area of a circle, usingDraw a circle of radius 4cm on a graph paper(Fig 11.34) Find the area by countingumber of squares enclosed.leadges are not straight, we get a rough estimate of the area of circle by this methodThere is another way of finding the area of a circleDraw a circle and shade one half of the circle (Fig 11.350) Now fold the circle intosights and cut along the folds (Fig 11.35()Fig 11.35Fig 11.34Fig 11.36The more sectors we have the nearer we reach an appropriate parallelogram.​