Chapter 12 of 16
Syllabus
Circle — Syllabus
Maharashtra Board · Class 9 · Mathematics
What Circle covers in Maharashtra Board Class 9 Mathematics: 4 topics, for the 2026-27 session. Part of the Maharashtra Board Class 9 Mathematics syllabus.
44 questions22 flashcards5 concepts
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4 Topics · Maharashtra Board Class 9 Mathematics · 2026-27
Topics in Circle
1
Basic Concepts of Circle
- A circle is the set of all points in a plane that are equidistant from a fixed point called the center
- The fixed distance from center to any point on the circle is called radius
- A chord is a line segment joining any two points on the circle
2
Properties of Chords
- The perpendicular from the center of a circle to a chord bisects the chord
- Congruent chords of a circle are equidistant from the center
- Chords equidistant from the center are congruent
3
Incircle of a Triangle
- The incircle touches all three sides of the triangle from inside
- The center of the incircle is called the incenter
- The incenter is the point of concurrency of angle bisectors
4
Circumcircle of a Triangle
- The circumcircle passes through all three vertices of the triangle
- The center of the circumcircle is called the circumcenter
- The circumcenter is the point of concurrency of perpendicular bisectors of sides
Key Concepts
A circle is the setThe line segment joining the centerTwo important theoremsThe incircle is a circleThe circumcircle passes through all three
Work through every topic in Circle with notes and quizzes
Start This ChapterFrequently Asked Questions
What are the important topics in Circle for Maharashtra Board Class 9 Mathematics?
Key topics in Circle include Basic Concepts of Circle, Properties of Chords, Incircle of a Triangle, Circumcircle of a Triangle. Study these first, then practise questions on each for Class 9 exams.
How should I revise Circle for Class 9 exams?
Learn the core ideas first, then work through the 44 practice questions on Circle. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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