NCERT Solutions for Class 9 Maths Chapter 7 - TrianglesShare
The NCERT Solutions For Class 9 Maths Chapter 7 - Triangles presented here are one of the most important resources for exam preparation. The Chapter comprises of important topics such as Congruence Of Triangles, Some Properties Of A Triangle and Inequalities In A Triangle. All these topics have been dealt with properly and explanations for them have been crafted using examples and illustrations. So, students who want to prepare the Chapter Triangle in a thorough manner can refer to our Solutions for the Chapter.
The Solutions have been developed by the experts of the Subject and they follow strictly the updated syllabus of the CBSE. Using these NCERT Solutions, students can find simple to understand explanations for important topics in the Chapter. All the Solutions are provided step-by-step and can be browsed easily without having to spend much time. So, just refer to these NCERT Solutions and give yourself the best chance to prepare for the exam.
NCERT Solutions for Class 9 Maths Chapter 7 - Triangles
In quadrilateral ACBD,
AC = AD and AB bisects ∠ A (see Fig. 7.16). Show that Δ ABC ≅Δ ABD.
What can you say about BC and BD?
ABCD is a quadrilateral in which AD = BC and∠ DAB = ∠ CBA (see Fig. 7.17). Prove that
(i) Δ ABD ≅Δ BAC
(ii) BD = AC
(iii) ∠ ABD = ∠ BAC.
AD and BC are equal perpendiculars to a line segment AB (see Fig. 7.18). Show that CD bisects AB.
l and m are two parallel lines intersected by another pair of parallel lines p and q(see Fig. 7.19). Show that Δ ABC ≅Δ CDA.
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 Fig. 7.20). Show that:
(i) Δ APB ≅Δ AQB
(ii) BP = BQ or B is equidistant from the arms of ∠ A.
AB is a line segment and P is its mid-point. D and E are points on the same side of AB such that ∠ BAD = ∠ ABE and ∠ EPA = ∠ DPB (see Fig. 7.22). Show that
(i) Δ DAP ≅ Δ EBP
(ii) AD = BE
|Chapter 1 - Number System|
|Chapter 2 - Polynomials|
|Chapter 3 - Coordinate Geometry|
|Chapter 4 - Linear Equations in two Variables|
|Chapter 5 - Introduction to Euclid's Geometry|
|Chapter 6 - Lines and Angles|
|Chapter 7 - Triangles|
|Chapter 8 - Quadrilaterals|
|Chapter 9 - Areas of Parallelograms and Triangles|
|Chapter 10 - Circles|
|Chapter 11 - Constructions|
|Chapter 12 - Heron's Formula|
|Chapter 13 - Surface Areas and Volumes|
|Chapter 14 - Statistics|
|Chapter 15 - Probability|