Kajal Aggarwal

Asked: November 3, 2020In: Class 9

In an isosceles triangle ABC, with AB = AC, the bisectors of Angle B and Angle C intersect each other at O. Join A to O. Show that: (i) OB = OC (ii) AO bisects Angle A

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 7.2 Page No:123 Questions No: 1

Kajal Aggarwal

Asked: November 3, 2020In: Class 9

ABC is a right angled triangle in which ∠A = 90° and AB = AC. Find ∠ B and ∠ 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 7.2 Page No:124 Questions No: 7

Kajal Aggarwal

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

In an isosceles triangle ABC, with AB = AC, the bisectors of Angle B and Angle C intersect each other at O. Join A to O. Show that: (i) OB = OC (ii) AO bisects Angle A

ABC is a right angled triangle in which ∠A = 90° and AB = AC. Find ∠ B and ∠ C.

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.

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