Aadrita Gupta

Asked: November 3, 2020In: Class 9

AD is an altitude of an isosceles triangle ABC in which AB = AC. Show that (i) AD bisects BC (ii) AD bisects AngleA.

NCERT Solutions for Class 9 Maths Chapter 7 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 7.3 Page No:128 Questions No: 2

Kajal Aggarwal

Asked: November 3, 2020In: Class 9

BE and CF are two equal altitudes of a triangle ABC. Using RHS congruence rule, prove that the triangle ABC is isosceles.

NCERT Solutions for Class 9 Maths Chapter 7 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 7.3 Page No:128 Questions No: 4

Kajal Aggarwal

Asked: November 3, 2020In: Class 9

ABC is an isosceles triangle with AB = AC. Draw AP⊥BC to show that Angle B = Angle C.

NCERT Solutions for Class 9 Maths Chapter 7 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 7.3 Page No:128 Questions No: 5

Kajal Aggarwal

Asked: November 3, 2020In: Class 9

Show that of all line segments drawn from a given point not on it, the perpendicular line segment is the shortest.

NCERT Solutions for Class 9 Maths Chapter 7 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 7.4 Page No:123 Questions No: 6

Kajal Aggarwal

Asked: November 3, 2020In: Class 9

ABC is a triangle. Locate a point in the interior of Triangle ABC which is equidistant from all the vertices of Triangle ABC.

NCERT Solutions for Class 9 Maths Chapter 7 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 7.5 Page No:133 Questions No: 1

Kajal Aggarwal

Asked: November 3, 2020In: Class 9

In a triangle locate a point in its interior which is equidistant from all the sides of the triangle.

NCERT Solutions for Class 9 Maths Chapter 7 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 7.5 Page No:133 Questions No: 2

Nitya Singh

Asked: November 3, 2020In: Class 9

The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral.

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: 1

Nitya Singh

Asked: November 3, 2020In: Class 9

If the diagonals of a parallelogram are equal, then show that it 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 8.1 Page No:146 Questions No: 2

Nitya Singh

Asked: November 3, 2020In: Class 9

Show that if the diagonals of a quadrilateral bisect each other at right angles, then it 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 8.1 Page No:146 Questions No: 3

Ishita Katyal

Asked: November 3, 2020In: Class 9

Diagonals AC and BD of a quadrilateral ABCD intersect at O in such a way that ar (AOD) = ar (BOC). Prove that ABCD is a trapezium.

NCERT Solutions for Class 9 Maths Chapter 9 Important NCERT Questions Areas of Parallelograms and Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.3 Page No:164 Questions No:15

Aadrita Gupta

AD is an altitude of an isosceles triangle ABC in which AB = AC. Show that (i) AD bisects BC (ii) AD bisects AngleA.

BE and CF are two equal altitudes of a triangle ABC. Using RHS congruence rule, prove that the triangle ABC is isosceles.

ABC is an isosceles triangle with AB = AC. Draw AP⊥BC to show that Angle B = Angle C.

Show that of all line segments drawn from a given point not on it, the perpendicular line segment is the shortest.

ABC is a triangle. Locate a point in the interior of Triangle ABC which is equidistant from all the vertices of Triangle ABC.

In a triangle locate a point in its interior which is equidistant from all the sides of the triangle.

The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral.

If the diagonals of a parallelogram are equal, then show that it is a rectangle.

Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.

Diagonals AC and BD of a quadrilateral ABCD intersect at O in such a way that ar (AOD) = ar (BOC). Prove that ABCD is a trapezium.

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