Tiwari Academy Discussion

Tejas Rana

Asked: November 3, 2020In: Class 9

AC and BD are chords of a circle which bisect each other. Prove that (i) AC and BD are diameters, (ii) ABCD is a rectangle.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.6 Page No:186 Questions No:7

Tejas Rana

Asked: November 3, 2020In: Class 9

Bisectors of angles A, B and C of a triangle ABC intersect its circumcircle at D, E and F respectively. Prove that the angles of the triangle DEF are 90° -1A/2, 90°-1B/2 and 90°-1C/2.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.6 Page No:186 Questions No:8

Tejas Rana

Asked: November 3, 2020In: Class 9

Two congruent circles intersect each other at points A and B. Through A any line segment PAQ is drawn so that P, Q lie on the two circles. Prove that BP = BQ.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.6 Page No:186 Questions No:9

Tejas Rana

Asked: November 3, 2020In: Class 9

In any triangle ABC, if the angle bisector of ∠A and perpendicular bisector of BC intersect, prove that they intersect on the circumcircle of the triangle ABC.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.6 Page No:186 Questions No:10

Urvi Goswami

Asked: November 3, 2020In: Class 9

Check which of the following are solutions of the equation x – 2y = 4 and which are not: ( √2, 4√2)

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.2 Page No:70 Questions No: 3 Part:4

Urvi Goswami

Asked: November 3, 2020In: Class 9

Check which of the following are solutions of the equation x – 2y = 4 and which are not: (1, 1)

Linear equations in two variables, NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.2 Page No:70 Questions No: 3 ...

Urvi Goswami

Asked: November 3, 2020In: Class 9

Find the value of k, if x = 2, y = 1 is a solution of the equation 2x + 3y = k.

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.2 Page No:70 Questions No: 4

Urvi Goswami

Asked: November 3, 2020In: Class 9

Draw the graph of each of the following linear equations in two variables: x + y = 4

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.3 Page No:74 Questions No: 1 Part:1

Urvi Goswami

Asked: November 3, 2020In: Class 9

Draw the graph of each of the following linear equations in two variables: x – y = 2.

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.3 Page No:74 Questions No: 1 Part:3

Urvi Goswami

Asked: November 3, 2020In: Class 9

Draw the graph of each of the following linear equations in two variables: y = 3x

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.3 Page No:74 Questions No: 1 Part:3

AC and BD are chords of a circle which bisect each other. Prove that (i) AC and BD are diameters, (ii) ABCD is a rectangle.

Bisectors of angles A, B and C of a triangle ABC intersect its circumcircle at D, E and F respectively. Prove that the angles of the triangle DEF are 90° -1A/2, 90°-1B/2 and 90°-1C/2.

Two congruent circles intersect each other at points A and B. Through A any line segment PAQ is drawn so that P, Q lie on the two circles. Prove that BP = BQ.

In any triangle ABC, if the angle bisector of ∠A and perpendicular bisector of BC intersect, prove that they intersect on the circumcircle of the triangle ABC.

Check which of the following are solutions of the equation x – 2y = 4 and which are not: ( √2, 4√2)

Check which of the following are solutions of the equation x – 2y = 4 and which are not: (1, 1)

Find the value of k, if x = 2, y = 1 is a solution of the equation 2x + 3y = k.

Draw the graph of each of the following linear equations in two variables: x + y = 4

Draw the graph of each of the following linear equations in two variables: x – y = 2.

Draw the graph of each of the following linear equations in two variables: y = 3x

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