# NCERT Solutions for Class 9 Maths Chapter 10 Circles

The chapter starts with a simple introduction of circles and the role they play in our daily life. Common examples such as the clock and coin have been mentioned with illustrations to show the importance of circles. Once the definition has been finished, steps to draw a circle with the help of a compass have been stated. With various markings on the circle, its diameter, exterior, interior, and sections have been shown. The congruence of two circles and their cords have been explained in the exercise. The chapter talks about the necessity of circles, how to find the circumference of a circle, and ways to draw different angles of it.

• A circle passes through three non-collinear points.
• The points arranged in a plane at a fixed distance from a fixed point form a circle.
• Further, the chapter highlights that the diameter is the longest chord and all diameters have the same length.
• The region located between the chord or arc is called a segment of two types, namely minor and major segments.
• The angle that is subtended by a chord at its centre is equal to the angle subtended by the minor arc at the centre.
• The chapter ends with stating that the equal chords of congruent circles are equidistant from its corresponding centres.
• The angle formed by the diameter of the circle on the circumference of the circle is a right angle.

 Also See NCERT Solutions For Class 9 Maths Chapter 1 Number System NCERT Solutions For Class 9 Maths Chapter 2 Polynomials NCERT Solutions For Class 9 Maths Chapter 3 Coordinate Geometry NCERT Solutions For Class 9 Maths Chapter 4 The Linear Equations in Two Variables NCERT Solutions For Class 9 Maths Chapter 5 Introduction to Euclid’s Theory NCERT Solutions For Class 9 Maths Chapter 6 Lines and Angles NCERT Solutions For Class 9 Maths Chapter 7 Triangles NCERT Solutions For Class 9 Maths Chapter 8 Quadrilaterals NCERT Solutions For Class 9 Maths Chapter 9 The Areas of Parallelograms and Triangles NCERT Solutions For Class 9 Maths Chapter 11 Constructions NCERT Solutions For Class 9 Maths Chapter 12 Heron’s Formula NCERT Solutions For Class 9 Maths Chapter 13 Surface Areas and Volumes NCERT Solutions For Class 9 Maths Chapter 14 Statistics NCERT Solutions For Class 9 Maths Chapter 15 Probability

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