Tiwari Academy Discussion

Nitya Singh

Asked: November 3, 2020In: Class 9

Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a square.

NCERT Solutions for Class 9 Maths Chapter 8 Important NCERT Questions Quadrilaterals NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.1 Page No:146 Questions No: 5

Nitya Singh

Asked: November 3, 2020In: Class 9

ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C. Show that:

NCERT Solutions for Class 9 Maths Chapter 8 Important NCERT Questions Quadrilaterals NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.1 Page No:146 Questions No: 8 (i) ABCD is a square (ii) diagonal BD bisects ∠B ...

Nitya Singh

Asked: November 3, 2020In: Class 9

ABCD is a rhombus and P, Q, R and S are ©wthe mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle.

NCERT Solutions for Class 9 Maths Chapter 8 Important NCERT Questions Quadrilaterals NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.2 Page No:150 Questions No:2

Nitya Singh

Asked: November 3, 2020In: Class 9

ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus.

NCERT Solutions for Class 9 Maths Chapter 8 Important NCERT Questions Quadrilaterals NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.2 Page No:150 Questions No:3

Nitya Singh

Asked: November 3, 2020In: Class 9

Show that the line segments joining the mid-points of the opposite sides of a quadrilateral bisect each other.

NCERT Solutions for Class 9 Maths Chapter 8 Important NCERT Questions Quadrilaterals NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.2 Page No:150 Questions No:6

Nitya Singh

Asked: November 3, 2020In: Class 9

ABC is a triangle right angled at C. A line through the mid-point M of hypotenuse AB and parallel to BC intersects AC at D. Show that

NCERT Solutions for Class 9 Maths Chapter 8 Important NCERT Questions Quadrilaterals NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.2 Page No:150 Questions No:7 (i) D is the mid-point of AC (ii) MD⊥ AC (iii) CM ...

Jay Singh

Asked: October 30, 2020In: Class 10

In angle ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine Sin A and Cos A.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.1 Page No:181 Questions No:1 (i) sin A, cos A (ii) sin C, cos C

Jay Singh

Asked: October 30, 2020In: Class 10

If sin A = 3 /4, calculate cos A and tan A.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.1 Page No:181 Questions No:3

Jay Singh

Asked: October 30, 2020In: Class 10

Given 15 cot A = 8, find sin A and sec A.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.1 Page No:181 Questions No:4

Jay Singh

Asked: October 30, 2020In: Class 10

Given sec θ = 13/12, Calculate all other trigonometric ratios.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.1 Page No:181 Questions No:5

Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a square.

ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C. Show that:

ABCD is a rhombus and P, Q, R and S are ©wthe mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle.

ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus.

Show that the line segments joining the mid-points of the opposite sides of a quadrilateral bisect each other.

ABC is a triangle right angled at C. A line through the mid-point M of hypotenuse AB and parallel to BC intersects AC at D. Show that

In angle ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine Sin A and Cos A.

If sin A = 3 /4, calculate cos A and tan A.

Given 15 cot A = 8, find sin A and sec A.

Given sec θ = 13/12, Calculate all other trigonometric ratios.

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