Discussion Forum

som dutt

Asked: March 28, 2023In: Class 9 Maths

AB and CD are respectively the smallest and longest sides of a quadrilateral ABCD (see Figure). Show that ∠ A > ∠ C and∠ B > ∠ D.

Use of similar argument and longest side of quadrilateral. Class 9, EXERCISE 7.2, Page No: 132, Questions No:4. CBSE Board OP Board and Others state Board, Session 2023-2024. Important NCERT Book, Chapter Triangles Question Answer.

som dutt

Asked: March 28, 2023In: Class 9 Maths

In Figure sides AB and AC of Δ ABC are extended to points P and Q respectively. Also, ∠ PBC AB.

Define the exterior angle and consider triangles. NCERT Books for Session 2022-2023 are based on CBSE Board. Important Triangles Solutions for class 9th. Important NCERT Book, Exercise 7.4, Question no: 2, Page No: 132.

som dutt

Asked: March 28, 2023In: Class 9 Maths

Show that in a right angled triangle, the hypotenuse is the longest side.

How hypotenuse is the longest side in the right-angled triangle. Class 9th Mathas, Page No:132, Questions No:1, Exercise 7.4 Triangles Solutions for Class 9th Maths, Session 2023-2024. CBSE Board and Others state Board.

som dutt

Asked: March 28, 2023In: Class 9 Maths

Two sides AB and BC and median AM of one triangle ABC are respectively equal to sides PQ and QR and median PN of Δ PQR (see Figure). Show that: (i) Δ ABM ≅ Δ PQN (ii) Δ ABC ≅ Δ PQR

Use the SAS (Side-Angle-Side) congruence. Define the congruent to angle. NCERT Books for Session 2023-2024, CBSE Board and Others state Board. 9th Maths EXERCISE 7.3, Page No:128, Questions No:3.

som dutt

Asked: March 28, 2023In: Class 9 Maths

Δ ABC and Δ DBC are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC (see Figure). If AD is extended to intersect BC at P, show that (i) Δ ABD ≅ Δ ACD (ii) Δ ABP ≅ Δ ACP (iii) AP bisects ∠ A as well as ∠ D. (iv) AP is the perpendicular bisector of BC.

Prove by the Side-Side-Side (SSS) congruence criterion. How to Substituting these equalities. TRIANGLES Solutions for Class 9th Maths. 9th Maths EXERCISE 7.3,Page No:128, Questions No:1, Session 2023-2024.

som dutt

Asked: March 28, 2023In: Class 9 Maths

Δ ABC and Δ DBC are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC (see Figure). If AD is extended to intersect BC at P, show that (i) Δ ABD ≅ Δ ACD (ii) Δ ABP ≅ Δ ACP (iii) AP bisects ∠ A as well as ∠ D. (iv) AP is the perpendicular bisector of BC.

Prove by the Side-Side-Side (SSS) congruence criterion. How to Substituting these equalities. TRIANGLES Solutions for Class 9th Maths. 9th Maths EXERCISE 7.3,Page No:128, Questions No:1, Session 2023-2024.

som dutt

Asked: March 28, 2023In: Class 9 Maths

Show that the angles of an equilateral triangle are 60° each.

Define the same as each of the other two angles in the equilateral triangle. NCERT Books for Session 2022-2023 are based on CBSE Board. Important Triangles Solutions for class 9th Exercise 7.2, Question no: 8.

som dutt

Asked: March 28, 2023In: Class 9 Maths

ΔABC is an isosceles triangle in which AB = AC.Side BA is produced to D such that AD = AB (see Figure). Show that ∠ BCD is a right angle.

Prove the observe angle. define the supplementary to angle Class 9th Maths, Page No:124, Questions No:6, Exercise 7.2 Triangles Solutions for Class 9th Maths, Session 2023-2024.

som dutt

Asked: March 27, 2023In: Class 9 Maths

ABC and DBC are two isosceles triangles on the same base BC (see Figure). Show that ∠ ABD = ∠ ACD.

How to check the angle sum property of triangle. TRIANGLES Solutions for Class 9th Maths. 9th Maths EXERCISE 7.2,Page No:124, Questions No:5. Class 9th ,NCERT Books for Session 2023-2024, based on CBSE Board.

som dutt

Asked: March 27, 2023In: Class 9 Maths

ABC is a triangle in which altitudes BE and CF to sides AC and AB are equal (see Figure). Show that (i) Δ ABE ≅ Δ ACF (ii) AB = AC, i.e., ABC is an isosceles triangle.

What is the Side-Angle-Side (SAS) congruence criterion. CBSE Board and Others state Board. 9th Maths EXERCISE 7.2, Page No:124, Questions No:4. NCERT Books for Session 2023-2024 are based on CBSE Board.

AB and CD are respectively the smallest and longest sides of a quadrilateral ABCD (see Figure). Show that ∠ A > ∠ C and∠ B > ∠ D.

In Figure sides AB and AC of Δ ABC are extended to points P and Q respectively. Also, ∠ PBC AB.

Show that in a right angled triangle, the hypotenuse is the longest side.

Two sides AB and BC and median AM of one triangle ABC are respectively equal to sides PQ and QR and median PN of Δ PQR (see Figure). Show that: (i) Δ ABM ≅ Δ PQN (ii) Δ ABC ≅ Δ PQR

Show that the angles of an equilateral triangle are 60° each.

ΔABC is an isosceles triangle in which AB = AC.Side BA is produced to D such that AD = AB (see Figure). Show that ∠ BCD is a right angle.

ABC and DBC are two isosceles triangles on the same base BC (see Figure). Show that ∠ ABD = ∠ ACD.

ABC is a triangle in which altitudes BE and CF to sides AC and AB are equal (see Figure). Show that (i) Δ ABE ≅ Δ ACF (ii) AB = AC, i.e., ABC is an isosceles triangle.

Which is the best website providing NCERT Solutions?

NCERT Books

Where can I get NCERT books in PDF format?

NIOS

NCERT Solutions

Sign Up

Sign In

Forgot Password

Discussion Forum Latest Questions