Find the best tutors and institutes for Class 9 Tuition
Search in
‘Circles’ are important figures in geometry. This is because you find circles everywhere.
You look around, and you find several objects like the plates, tyres, dial of your watch,
button of your shirt, coins and much more which are circular in shape. Moreover, the
eyes with which you see everything else are also circular in shape. It is inevitable that
you need to study circles and important terms related to them. ‘Circle’ is a very
interesting topic and consists of several interesting facts and properties that have
practical application in our day to day lives.
10.1 Introduction
10.2 Circles and its Related Terms: A Review
10.3 Angle Subtended by a Chord at a Point
10.4 Perpendicular from the Centre to a Chord
10.5 Circle through Three Points
10.6 Equal Chords and their Distances from the Centre
10.7 Angle Subtended by an Arc of a Circle
10.8 Cyclic Quadrilaterals
10.9 Summary
Section 10.2 – In this section, you’ll learn about various terms related to circles such as
centre, radius, circular region, diameter, chord, the interior of a circle, the exterior of a
circle, major arc, minor arc, circumference, segment, sector, semicircular region and
more.
Section 10.3 – In this section, you’ll study some important theorems and the
relationship between the size of the chord and the angle subtended by it at the centre.
Section 10.4 – In this section, you’ll learn that the line drawn through the centre of a
a circle that bisects a chord is actually perpendicular to the chord.
Section 10.5 – This section explains that there is one and only one circle passing through
three given non-collinear points.
Section 10.6 – In this section, you’ll study some interesting theorems and also and
about equal chords and their distances from the centre of the circle.
Section 10.7 – In this section too you’ll study some new theorems and learn about the
the angle subtended by an arc of a circle.
Section 10.8 – In this section, you’ll acquire knowledge about cyclic quadrilateral along
with useful theorems.
All the concepts in this chapter are explained thoroughly with theorems & proofs,
examples & solutions for better understanding. To know more about the NCERT
Solutions for Class 9 Maths – Chapter 10 Circles, you should explore the exercises below. You can also download the NCERT Solutions for Class 9 Maths Chapter 10 PDF, solved by expert Maths trainers.
Published on 2020-01-29 09:36:47 by arunima. Last Modified on 2020-01-29 09:36:47
How helpful was it?
How can we Improve it?
Please tell us how it changed your life *
Please enter your feedback
Recommended Articles
How To Choose The Right School For Children?
Quality education does not only help children to get a successful career and life, but it also hugely contributes to society. The formal education of every child starts from school. Although there are numerous schools, parents find it challenging to choose the right one that would fit their child. It is difficult for them...
Read full article >
Top Benefits of e-Learning
With the current trend of the world going digital, electronic renaissance is a new movement that is welcomed by the new generation as it helps makes the lives of millions of people easier and convenient. Along with this rapidly changing movement and gaining popularity of Internet, e-Learning is a new tool that emerging...
Read full article >
5 Engaging Activities For Children To Get...
Learning for every child starts from a very young age. While the formal methods include school curriculums and private lessons, the informal methods include dancing, music, drawing, and various fun-filling activities. Playing games and practising these types of activities helps the children get out of boredom and...
Read full article >
Find best tutors for Class 9 Tuition Classes by posting a requirement.
Get started now, by booking a Free Demo Class
