Areas Related to Circles - NCERT Class 10 Maths
In the chapter 12, Areas Related to Circles, the discussion begins with a review of the concepts of the perimeter (circumference) and area of a circle. Then these concepts are applied to determine the area of the sector, the length of an arc of a sector and area of the segment. The last section deals with the calculation of areas of combinations of plane figures. There are two exercises in this chapter - the first one deals with the problems to determine the area of the sector, segment and the length of the arc; and the second exercise deals with the problems to determine the area of a combination of plane figures.