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Interactive video lesson plan for: Circles Tangent theorem | Length of tangents Practise Problems | CBSE Class 10 (Part 2)

Activity overview:

Circles Tangent theorem | Length of tangents Practise Problems | CBSE Class 10 (Part 2)
http://www.learncbse.in/ncert-class-10-math-solutions/
Length of tangents
Tangent Segments Theorem:
It states that the lengths of tangents drawn from an external point to a circle are equal.
00:02 CBSE solutions for class 10 maths circles Ex 10.2 Q8. A quadrilateral ABCD is drawn to circumscribe a circle (as shown in the figure). Prove that AB + CD = AD + BC.
01:15 Tangent Segments Theorem:The lengths of tangents drawn from an external point to a circle are equal.(Length of tangents)
03:51 CBSE solutions for class 10 maths circles Ex 10.2 Q9. In the given figure, XY and X' Y ' are two parallel tangents to a circle with centre O and another tangent AB with point of contact C intersecting XY at A and X ' Y ' at B. Prove that ( Angle AOB = 90°)
05:01 Tangent Theorem:The tangent to a circle is perpendicular to the radius through the point of contact.(Length of tangents)
06:01 Aplication of S.A.S Property of congruency.
06:56 The tangent to a circle is perpendicular to the radius through the point of contact.
07:38 S.A.S rule of Congruency.
08:40 Using Linear Pair
11:18 CBSE class 10 maths chapter 10 Circles Ex 10.2 Q10. Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line-segment joining the points of contact at the centre.
12:41 Tangent Theorem
13:13 Angle sum Property of a Quadrilateral.
14:31 CBSE solutions for class 10 maths circles Ex 10.2 Q11. Prove that the parallelogram circumscribing a circle is a rhombus.
15:18 Properties of Parallelogram.
15:48 Application of Tangent Segments Theorem
18:23From properties of Parallelogram
Pair of opposite sides are parallel and equal

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CBSE solutions for class 10 maths circles Ex 10.2
CBSE class 10 maths chapter 10 Circles Ex 10.2
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
NCERT Solutions for CBSE Class 10 Maths Chapter 10 Circles Ex 10.1

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