Tiwari Academy Discussion

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.

som dutt

Asked: March 27, 2023In: Class 9 Maths

ABC is an isosceles triangle in which altitudes BE and CF are drawn to equal sides AC and AB respectively (see Figure). Show that these altitudes are equal.

Prove the fact that ABC is an isosceles triangle. Important NCERT Book, Chapter TRIANGLES Question Answer. Class 9th Maths Important Question Answer. EXERCISE 7.2, Page No: 124, Questions No:3.

som dutt

Asked: March 27, 2023In: Class 9 Maths

In Δ ABC, AD is the perpendicular bisector of BC (see Figure). Show that Δ ABC is an isosceles triangle in which AB = AC.

How to use trigonometric ratios to relate their sides and angles. Class 9th Maths Important Question Answer. Class 9, EXERCISE 7.2, Page No: 123, Questions No:2. CBSE Board and Others state Board, Session 2023-2024.

Anu01 jain

Asked: March 27, 2023In: Class 9 Maths

In right triangle ABC, right angled at C, M is the mid-point of hypotenuse AB. C is joined to M and produced to a point D such that DM = CM. Point D is joined to point B (see Figure). Show that: (i) Δ AMC ≅ Δ BMD (ii) ∠ DBC is a right angle. (iii) Δ DBC ≅ Δ ACB (iv) CM = (1/2) AB

How to use the side-angle-side (SAS) congruence criterion. TRIANGLES Solutions for Class 9th Maths. 9th Maths EXERCISE 7.1,Page No:118, Questions No:8. Class 9th ,NCERT Books for Session 2023-2024, based on CBSE Board.

Anu01 jain

Asked: March 27, 2023In: Class 9 Maths

In Figure, AC = AE, AB = AD and ∠ BAD = ∠ EAC. Show that BC = DE.

How to both two triangles are congruent. Class 9 Maths Important Question Answer. Class 9th, EXERCISE 7.1, Page No: 118, Questions No:6. CBSE Board and Others state Board, Session 2023-2024.

Anu01 jain

Asked: March 25, 2023In: Class 9 Maths

l and m are two parallel lines intersected by another pair of parallel lines p and q (see Figure). Show that ΔABC ≅ ΔCDA.

How to proved the two triangles are congruent. That is common to both triangles and congruent TRIANGLES Solutions for Class 9th Maths. 9th Maths EXERCISE 7.1,Page No:118, Questions No:4 Class 9th ,NCERT Books for Session 2023-2024.

Anu01 jain

Asked: March 25, 2023In: Class 9 Maths

AD and BC are equal perpendiculars to a line segment AB (see Figure). Show that CD bisects AB.

How to conclude that triangle ACD is congruent to triangle BCD. Important TRIANGLES Solutions. Class 9th, EXERCISE 7.1, Page No: 118. Questions No:3. CBSE Board, Session 2023-2024.

Anu01 jain

Asked: March 25, 2023In: Class 9 Maths

ABCD is a quadrilateral in which AD = BC and ∠DAB = ∠CBA (see Figure). Prove that (i) ΔABD ≅ ΔBAC (ii) BD = AC (iii) ∠ABD = ∠BAC.

Pairs of congruent sides and angles, respectively. Corresponding angles are congruent. Class 9th, EXERCISE 7.1, Page No: 118. Questions No:2. NCERT Book, Chapter TRIANGLES Question Answer. Session 2023-2024 are based on CBSE Board.

Anu01 jain

Asked: March 24, 2023In: Class 9 Maths

In quadrilateral ACBD, AC = AD and AB bisects ∠A (see Figure). Show that Δ ABC ≅ Δ ABD. What can you say about BC and BD?

How to opposite sides of a parallelogram are congruent. TRIANGLES Solutions for Class 9th Maths. 9th Maths EXERCISE 7.1,Page No:118, Questions No:1 NCERT Books for Session 2023-2024 are based on CBSE Board.

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.

ABC is an isosceles triangle in which altitudes BE and CF are drawn to equal sides AC and AB respectively (see Figure). Show that these altitudes are equal.

In Δ ABC, AD is the perpendicular bisector of BC (see Figure). Show that Δ ABC is an isosceles triangle in which AB = AC.

In right triangle ABC, right angled at C, M is the mid-point of hypotenuse AB. C is joined to M and produced to a point D such that DM = CM. Point D is joined to point B (see Figure). Show that: (i) Δ AMC ≅ Δ BMD (ii) ∠ DBC is a right angle. (iii) Δ DBC ≅ Δ ACB (iv) CM = (1/2) AB

In Figure, AC = AE, AB = AD and ∠ BAD = ∠ EAC. Show that BC = DE.

l and m are two parallel lines intersected by another pair of parallel lines p and q (see Figure). Show that ΔABC ≅ ΔCDA.

AD and BC are equal perpendiculars to a line segment AB (see Figure). Show that CD bisects AB.

ABCD is a quadrilateral in which AD = BC and ∠DAB = ∠CBA (see Figure). Prove that (i) ΔABD ≅ ΔBAC (ii) BD = AC (iii) ∠ABD = ∠BAC.

In quadrilateral ACBD, AC = AD and AB bisects ∠A (see Figure). Show that Δ ABC ≅ Δ ABD. What can you say about BC and BD?

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