Class 10th Chapter 10 Circles full chapter one shot New NCERT Maths CBSE | Class 10 circle ex 10.2

Class 10th Chapter 10 Circles full chapter one shot New NCERT Maths CBSE | Class 10 circle ex 10.2

Class 10th Chapter 10 Circles full chapter one shot New NCERT Maths CBSE | Class 10 circle ex 10.2 Click here for fulll playlist 👇 Class 10th Chapter 10 Circles Full chapter NCERT New Book CBSE pattern:    • Class 10th Chapter 10 Circles Full chapter...   Full complete chapter 10 CIRCLES in one shot video 👉   • Class 10th Chapter 10 Circles full chapter...   Example 1 : Prove that in two concentric circles, the chord of the larger circle, which touches the smaller circle, is bisected at the point of contact. 👉   • Class 10th Chapter 10 Circles Example 1 Ne...   Example 2 : Two tangents TP and TQ are drawn to a circle with centre O from an external point T. Prove that angle PTQ = 2 angle OPQ 👉   • Class 10th Chapter 10 Circles Example 2 Ne...   Example 3 : PQ is a chord of length 8 cm of a circle of radius 5 cm. The tangents at P and Q intersect at a point T (see Fig. 10.10). Find the length TP. 👉   • Class 10th Chapter 10 Circles Example 3 Ne...   In this video we have covered complete chapter number 10 circle from class 10 Mathematics Ncert new book based on latest syllabus prescribed by CBSE Topics covered: 00:00 Introduction 02:06 Theorem 10.1 : The tangent at any point of a circle is perpendicular to the radius through the point of contact. 02:33 Exercise 10.1 Question 1: How many tangents can a circle have? 03:05 ex 10.1 Q2 04:45 Ex 10.1 Q3 07:05 Ex 10.1 Q4 08:00 Theorem 10.2 : The lengths of tangents drawn from an external point to a circle are equal. 10:40 Exercise 10.2 Question 1 12:27 Ex 10.2 Q2 14:40 class10 ex 10.2 Q3 18:32 ex 10.2 Q4. Prove that the tangents drawn at the ends of a diameter of a circle are parallel 21:41 Ex 10.2 Q.5 Prove that the perpendicular at the point of contact to the tangent to a circle passes through the centre. 26:10 Ex 10.2 Q6. The length of a tangent from a point A at distance 5 cm from the centre of the circle is 4 cm. Find the radius of the circle. 29:03 Ex 10.2 Q7. Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle. 32:28 Ex 10.2 Q8. A quadrilateral ABCD is drawn to circumscribe a circle (see Fig. 10.12). Prove that AB + CD = AD + BC 36:52 Ex 10.2 Q9. In Fig. 10.13, 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°. 46:47 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. 50:15 Ex 10.2 Q11. Prove that the parallelogram circumscribing a circle is a rhombus. 56:06 Ex 10.2 Q12. A triangle ABC is drawn to circumscribe a circle of radius 4 cm such that the segments BD and DC into which BC is divided by the point ofcontact D are of lengths 8 cm and 6 cm respectively (see Fig. 10.14). Find the sides AB and AC. 71:22 Ex 10.2 Q13. Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle. #10thmaths #circles #class10th #class10maths #circle #cbse #tangents #circlesclass10cbse #class10thncertcircle #class10thncert