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Interactive video lesson plan for: Circles | Introduction to Tangent and Secant to a Circle | CBSE Class 10

Activity overview:

Circles | Introduction to Tangent and Secant to a Circle | CBSE Class 10.
http://www.learncbse.in/ncert-class-10-math-solutions/
The following video defines the tangent of a circle.

00:03 CBSE solutions for class 10 maths circles Ex 10.1 Q1. How many tangents can a circle have ?
00:19:DEFINATION OF TANGENT TO A CIRCLE:
A tangent to a circle is a line that intersects the circle at only one point .
01:30 Conclusion:There are infinite number of tangents to a circle.
01:50 CBSE class 10 maths chapter 10 Circles Ex 10.1 Q2. Fill in the blanks:
(i) A tangent to a circle intersects it in point (s).
02:15 DEFINATION OF TANGENT TO A CIRCLE:
02:30 Conclusion:There is only one tangent at a point of the circle.
02:37 (ii) A line intersecting a circle in two points is called a _____________ .
02:41 DEFINATION OF SECANT TO A CIRCLE:
02:57 (iii) A circle can have parallel tangents at the most.
03:08 Explanation:There are only two parallel tangents to agiven circle.
03:56 (iv) The common point of a tangent to a circle and the circle is called ____________ .
04:08 The common point of the tangent and the circle is called the point of contact
The tangent is said to touch the circle at the common point.
04:14 Solutions for CBSE Class 10 Maths Chapter 10 Q3. A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at
a point Q so that OQ = 12 cm. Length PQ is:
(A) 12cm (B) 13cm (C) 8.5cm (D) Jjj cm.
05:32 Tangent Theorem:The tangent to a circle is perpendicular to the radius through the point of contact.
06:06 Phythagoras Theorem:In a right angle triangle,hypotenuse Square is equal to sum of squares of other two sides.
07:31 NCERT solutions for CBSE class 10 maths circles Q4. Draw a circle and two lines parallel to a given line such that one is a tangent and the
other, a secant to the circle.
08:20 Tangent to a circle drawn parallel to a given line.
08:35 Secant to a circle drawn parallel to a given line.

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Learncbse.in
CBSE solutions for class 10 maths circles Ex 10.1
CBSE class 10 maths chapter 10 Circles Ex 10.1
Solutions for CBSE Class 10 Maths Chapter 10
Circles CBSE Class 10 Maths,
CBSE Class 10 Maths Solutions Circles
NCERT solutions for class 10 maths circles
NCERT solutions for CBSE class 10 maths circles

Tagged under: GyanPub,ncert solutions,Free Online Maths Class,Maths,Free ncert solutions,CBSE solutions class 10 maths,CBSE class 10 maths chapter 10 Circles,Circles CBSE Class 10 Maths,NCERT solutions CBSE class 10 maths

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