NCERT Solutions for Class 9 Maths Chapter 8 - QuadrilateralsShare
NCERT Solutions For Class 9 Maths Chapter 8 – Quadrilaterals made available by Goprep provide students with the opportunity to prepare the Chapter thoroughly. These Solutions for Chapter 8 have been developed in sync with the latest syllabus of the Class 9 Maths suggested by the CBSE. These Solutions are highly valuable, and students can use them to clear their doubts and develop their question-solving ability.
Chapter 8 of the Class 9 Maths textbook deals with the introduction of the Quadrilaterals, Angle Sum Property Of A Quadrilateral, Types Of Quadrilaterals, Properties Of A Parallelogram and The MidPoint Theorem among others. Given in a simple and structured manner, our NCERT Solutions can help you a great deal in developing a thorough understanding of each topic. So, if you want to prepare well for the exam, then referring to these Solutions can surely help facilitate your exam preparation in the best direction.
NCERT Solutions for Class 9 Maths Chapter 8 - Quadrilaterals
The angles of quadrilateral are in the ratio 3: 5: 9: 13. Find all the angles of the quadrilateral.
Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.
Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a square.
Diagonal AC of a parallelogram ABCD bisects ∠A (see Fig. 8.19). Show that
(i) It bisects ∠ C also,
(ii) ABCD is a rhombus.
ABCD is a rhombus. Show that diagonal AC bisects ∠ A as well as ∠ C and diagonal BD bisects ∠ B as well as ∠ D.
ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C Show that:
(i) ABCD is a square
(ii) Diagonal BD bisects ∠B as well as ∠D
In parallelogram ABCD, two points P and Q are taken on diagonal BD such that DP = BQ (see Fig. 8.20). Show that:
(i) Δ APD ≅Δ CQB
(ii) AP = CQ
(iii) Δ AQB ≅Δ CPD
(iv) AQ = CP
(v) APCQ is a parallelogram
ABCD is a parallelogram and AP and CQ are perpendiculars from vertices A and C on diagonal BD (see Fig. 8.21). Show that
(i) Δ APB ≅Δ CQD
(ii) AP = CQ
|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|