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Related: NCERT Textbook Chapter 12 - Areas Related to Circles, Class...
NCERT Textbook Chapter 12 - Areas Related to Circles, Class 10, Maths

Introduction
In Class 10 Mathematics, the NCERT textbook includes a chapter on "Areas Related to Circles." This chapter focuses on various concepts and formulas related to the areas of different shapes and figures that are connected to circles.

Topics Covered
The chapter "Areas Related to Circles" covers the following topics:

1. Perimeter and Area of a Circle: The chapter begins by revisiting the concepts of the circumference and area of a circle. It explains the formulas for calculating the circumference (2πr) and the area (πr²) of a circle, where 'r' represents the radius.

2. Areas of Sector and Segment of a Circle: This section explores the areas of different parts of a circle, such as sectors and segments. It explains the formulas for calculating the area of a sector (θ/360° × πr²) and the area of a segment using the difference of two areas.

3. Areas of Combinations of Plane Figures: The chapter further delves into finding the areas of combinations of plane figures involving circles. It includes concepts such as the area of a circle enclosed between two concentric circles and the area of a shaded region between two circles.

4. Areas of Similar Triangles and Circles: This section introduces the concept of similarity between triangles and circles. It explains how the ratio of the areas of two similar figures is equal to the square of the ratio of their corresponding lengths.

5. Perimeter and Area of Polygons Inscribed in a Circle: The chapter also covers the perimeter and area of polygons inscribed in a circle. It provides formulas for finding the perimeter and area of regular polygons such as triangles, squares, pentagons, hexagons, etc., inscribed in a circle.

6. Summary and Practice Questions: The chapter concludes with a summary of the key concepts covered and practice questions to reinforce the understanding of the topics.

Conclusion
The chapter "Areas Related to Circles" in the NCERT Class 10 Mathematics textbook provides a comprehensive understanding of various concepts related to areas of circles and their related figures. By studying this chapter, students can develop the necessary skills to solve problems involving the areas of different shapes and figures connected to circles.
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Related: NCERT Textbook Chapter 12 - Areas Related to Circles, Class...
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Related: NCERT Textbook Chapter 12 - Areas Related to Circles, Class 10, Maths
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