Скачать или смотреть Class 9 Maths Exercise 10.3 | Chapter 10 - Circles | CBSE | NCERT | Complete Solutions | NTSE

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In this video we will discuss Exercise 10.3 of Class 9 mathematics from NCERT book.

Topics : Theorem 10.3 and Theorem 10.4, Circle, Radius, Chord , Diameter, Semicircle, Segment, Sector, Interior of the circle, exterior of the circle,

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Theorem 10.3 : The perpendicular from the centre of a circle to a chord bisects the chord.
Theorem 10.4 : The line drawn through the centre of a circle to bisect a chord is perpendicular to the chord.
Theorem 10.5 : There is one and only one circle passing through three given
non-collinear points.
EXERCISE 10.3
1. Draw different pairs of circles. How many points does each pair have in common?
What is the maximum number of common points?
2. Suppose you are given a circle. Give a construction to find its centre.
3. If two circles intersect at two points, prove that their centres lie on the perpendicular bisector of the common chord.