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Seedha Education

MathematicsCircles

Class 9MathematicsChapter 95 marksModerate

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Mathematics · Class 9CirclesVideo coming soonRead the notes instead

Angle Subtended by a Chord, Perpendicular from Centre to Chord, Cyclic Quadrilaterals and the board questions built on them — roughly 5 marks of the paper.

What this chapter covers

  1. 1Angle Subtended by a Chord
  2. 2Perpendicular from Centre to Chord
  3. 3Cyclic Quadrilaterals

These lessons are being recorded. The written notes for this chapter are free to download now.

Learning resources

In the notes

Topics covered

  1. 01Angle Subtended by a Chord16:09
  2. 02Perpendicular from Centre to Chord26:06
  3. 03Cyclic Quadrilaterals26:58

After this chapter you can

  • Explain angle subtended by a chord without reading from the book
  • Present perpendicular from centre to chord in the format the marking scheme rewards
  • Attempt every previous year question set on this chapter
Marks
5
PYQs
7
Video
1h 9m

Then do the work

Practice

Important questions
30
Board questions
29
Numericals & applications
25
Open practice set

Revise

  • One-shot revision, 17 minutes
  • Formula sheet for this chapter
  • Printable summary, 2 pages
Revision material

Prepare

Board appearances of Circles by year
YearAsked asMarks
2025Long answer2
2024Short answer4
2023Case based2
2022MCQ set4
2021Long answer6
All PYQs

    Follow the Seedha path

    Target 95+ in Mathematics

    Padho, Likho, Revise and Marks Laao. Chapter 9 of 12 — keep going while the format is fresh.