Tiwari Academy Discussion

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.

Anu01 jain

Asked: March 24, 2023In: Class 9 Maths

line l is the bisector of an angle ∠ A and B is any point on l. BP and BQ are perpendiculars from B to the arms of ∠ A (see Figure). Show that: (i) Δ APB ≅ Δ AQB (ii) BP = BQ or B is equidistant from the arms of ∠ A.

Which contradicts the definition of a point on the angle bisector. How to corresponding parts of congruent triangles are congruent 9th Maths EXERCISE 7.1,Page No:118, Questions No:5 NCERT Books for Session 2023-2024 are based on CBSE Board.

jimmy389

Asked: March 24, 2023In: Class 9 Maths

In Fig. 6.42, if lines PQ and RS intersect at point T, such that ∠ PRT = 40°, ∠ RPT = 95° and ∠ TSQ = 75°, find ∠ SQT.

Exercise 6.3 of Class 9 Maths Chapter 6 Lines and Angles introduces important terms such as exterior angle, linear pair and vertically opposite angles, requiring students to practice this exercise. NCERT Class 9 Chapter 6 Exercise 6.3 Question No. 4 Page ...

jimmy389

Asked: March 23, 2023In: Class 9 Maths

In Fig. 6.33, PQ and RS are two mirrors placed parallel to each other.

An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflects back along CD. Prove that AB || CD. NCERT Class 9 Mathematics Chapter ...

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?

line l is the bisector of an angle ∠ A and B is any point on l. BP and BQ are perpendiculars from B to the arms of ∠ A (see Figure). Show that: (i) Δ APB ≅ Δ AQB (ii) BP = BQ or B is equidistant from the arms of ∠ A.

In Fig. 6.42, if lines PQ and RS intersect at point T, such that ∠ PRT = 40°, ∠ RPT = 95° and ∠ TSQ = 75°, find ∠ SQT.

In Fig. 6.33, PQ and RS are two mirrors placed parallel to each other.

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