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.

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Exercise 12.1

Exercise 12.2

Exercise 12.3