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CBSE Class 10 Maths Chapter 11 Areas Related to Circles Syllabus 2026–27

Areas Related to Circles chapter covers area calculations of circle-based regions, including sectors, segments, and arcs. Questions involve using central angle-based formulas and combining or subtracting different parts of a circle to find the required area.
authorImageAnshika Agarwal29 Apr, 2026
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CBSE Class 10 Maths Chapter 11

Chapter 11 Areas Related to Circles, explains how to calculate the areas of different parts of a circle, such as sectors and segments. It shows how these areas are related to the central angle and the total area of the circle. You will learn to apply standard formulas to solve numerical problems, including those based on shaded regions. 

This chapter requires a clear understanding of concepts and accurate calculations. Mastering these topics helps improve problem-solving skills and makes it easier to handle geometry-based questions in Class 10 Maths board exams.

What Will You Learn in Areas Related to Circles?

This chapter introduces you to working with:

  • Different regions formed inside a circle, and how they are classified

  • The role of the central angle in determining area and arc length

  • Situations where curved boundaries replace straight edges in problems

  • Methods to break complex figures into simpler parts for calculation

  • Handling problems where more than one formula is required in sequence

  • Interpreting diagrams where only a specific portion of the circle is involved

CBSE Class 10 Areas Related to Circles: Detailed Breakdown

Understand the key topics covered in CBSE Class 10 Areas Related to Circles for better conceptual clarity and exam preparation.

Topic

Description

Circle Area Basics

Uses radius to calculate total area of a circle. This becomes the reference when working with smaller portions later.

Sector

A slice formed by two radii and an arc. The size of this region changes directly with the central angle.

Arc Length

Measures the curved edge of a sector. It represents only a part of the full circumference.

Segment

Region between a chord and its arc. Solving usually involves subtracting triangle area from a sector.

Mixed Figures

Questions combine multiple regions in one diagram. Requires breaking the figure and solving step-by-step.

Important Topics in Chapter 11 Areas Related to Circles

While revising, focus on:

  • Identifying the exact region involved before starting any calculation

  • Using central angle correctly in both area and arc-based formulas

  • Breaking segment problems into sector minus triangle format

  • Managing multi-step questions where different regions are combined

  • Maintaining precision while working with π and large numerical values

To ensure alignment with the latest CBSE guidelines and optimise your preparation, it is recommended to review the updated list of deleted topics for Class 10 Maths and focus only on the currently prescribed syllabus.

Also Check: Class 10th Areas Related to Circles NCERT Solutions 

How to Strengthen Your Preparation for CBSE Class 10 Maths Exams?

Strong preparation in Class 10 Maths requires a balance of concept clarity, regular practice, and consistent revision. Focusing on the right resources and practising in an exam-oriented manner can help improve both accuracy and confidence.

  • Build clear concepts across all topics:
    Focus on understanding key concepts from the CBSE Class 10 Maths syllabus to solve different types of questions with confidence.
  • Practise NCERT questions thoroughly:
    Solve all PW Class 10 Maths NCERT questions multiple times, as they form the base of board exam preparation.
  • Revise formulas and identities regularly:
    Keep revising important formulas in Class 10 Maths to improve speed and reduce calculation errors.
  • Solve Previous Year Questions (PYQs):
    Practising CBSE Class 10 Maths PYQs helps you understand exam patterns and frequently asked questions.
  • Attempt sample papers consistently:
    Solve Class 10 Maths sample papers to improve time management and get familiar with the exam format.
  • Focus on important questions:
    Practise PW Class 10 Maths Most Important Questions (MIQs) to cover high-weightage topics effectively.

Class 10 Chapter 11 Areas Related to Circles FAQs

1. How to identify whether a question involves sector or segment?

Look at the boundary of the region. If it’s between two radii, it’s a sector. If it’s between a chord and an arc, it’s a segment.

2. Why do students get confused in area-related circle questions?

Most confusion comes from misreading the diagram and calculating the wrong portion of the figure.

3. How to approach mixed figure problems in Class 10 circles chapter?

Break the figure into smaller known parts, calculate each separately, and then combine them as required.

4. When should you subtract areas in circle questions?

Subtraction is used when a smaller region is removed from a larger one, especially in segment-based problems.
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