AP Board Class 9 Maths Chapter 8 Quadrilaterals InText Questions Textbook Solutions PDF: Download Andhra Pradesh Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions Book Answers ~ HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board

AP Board Class 9 Maths Chapter 8 Quadrilaterals InText Questions Textbook Solutions PDF: Download Andhra Pradesh Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions Book Answers

AP Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Book answers and solutions are one of the most important study materials for any student. The Andhra Pradesh State Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions textbooks are prepared by a group of expert faculty members. Students can download these AP Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions book solutions pdf online from this page.

Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks Solutions PDF

Andhra Pradesh State Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions Books Solutions with Answers are prepared and published by the Andhra Pradesh Board Publishers. It is an autonomous organization to advise and assist qualitative improvements in school education. If you are in search of AP Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions solutions that are available here for free PDF downloads to help students for their adequate preparation. You can find all the subjects of Andhra Pradesh Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks. These Andhra Pradesh State Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks Solutions English PDF will be helpful for effective education, and a maximum number of questions in exams are chosen from Andhra Pradesh Board.

Andhra Pradesh State Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Books Solutions

Board	AP Board
Materials	Textbook Solutions/Guide
Format	DOC/PDF
Class	9th
Subject	Maths
Chapters	Maths Chapter 8 Quadrilaterals InText Questions
Provider	Hsslive

How to download Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbook Solutions Answers PDF Online?

Visit our website - Hsslive
Click on the Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Answers.
Look for your Andhra Pradesh Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks PDF.
Now download or read the Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbook Solutions for PDF Free.

AP Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

AP State Syllabus 9th Class Maths Solutions 8th Lesson Quadrilaterals InText Questions

Try This

Question
Extend AB to E. Find ∠CBE. What do you notice? What kind of angles are ∠ABC and ∠CBE?
Solution:
Given that □ABCD is a parallelogram and∠A = 40°
∴ ∠ABC = 180°-40° = 140°
∠CBE = 40° ( ∵ ∠A and, ∠CBE are corresponding angles) And ∠CBE and ∠ABC are linear pair of angles.

Do This

Question
Cut out a parallelogram from a sheet of paper again and cut along one of its diagonal. What kind of shapes you obtain ? What can you say about these triangles 7 [Page No. 179]
Solution:
We get two triangles.

The two triangles are congruent to each other.

Think, Discuss and Write

Question 1.
Show that the diagonals of a square are equal and right bisectors of each other. (Page No. 185)
Solution:

Let □ABCD be a square.
Thus AB = BC = CD = DA
In ΔABC and ΔBAD
AB = AB (common base)
∠B =∠A (each 90°)
BC = AD (equal sides)
∴ ΔABC = ΔBAD (SAS congruence)
⇒ AC = BD (CPCT)
Also in ΔAOB and ΔCOD
∠OAB = ∠OCD [∵ alt. int. angles]
∠OBA = ∠ODC [∵ alt. int. angles]
AB = DC (sides of a square)
∴ ΔAOB = ΔCOD (ASA congruence)
Thus AO = OC (CPCT) ⇒ O is midpoint of AC
Also BO = OD (CPCT) ⇒ O is midpoint of BD
∴ O is midpoint of both AC and BD.
∴ Diagonals bisect each other.
In ΔAOB and ΔCOB
AB = BC (given)
OB = OB (common)
AO = OC (proved)
∴ ΔAOB ≅ ΔCOB (SSS congruence)
∠AOB = ∠COB (CPCT)
But ∠AOB + ∠COB = 180° (∵ linear pair of angles)
∴ ∠AOB = ∠COB = 180°/2 = 90°
Also ∠AOB = ∠COD (∵ vertically opposite angles)
∠BOC = ∠AOD (∵ vertically opposite angles)
∴ AC ⊥ BD
(i.e.,) In a square diagonals bisect at right angles.

Question 2.
Show that the diagonals of a rhombus divide it into four congruent triangles. (Page No. 185)
Solution:

□ABCD is a rhombus
Let AC and BD meet at ‘O’
In ΔAOB and ΔCOD
∠OAB = ∠ODC (alt.int.angles)
AB = CD (def. of rhombus)
∠OBA = ∠ODC (alt. mt, angles)
∴ ΔAOB ≅ΔCOD …………(1)
(ASA congruence)
Thus AO = OC (CPCT
Also ΔAOD ≅ ΔCOD …………..(2)
[ ∵AO = OC; AD = CD; OD = OD SSS congruence]
Similarly we can prove
ΔAOD ≅ ΔCOB …………..(3)
From (1), (2) and (3) we have
ΔAOB = ΔBOC = ΔCOD = ΔAOD
∴ Diagonals of a rhombus divide it into four congruent triangles.

Try This

Question
Draw a triangle ABC and mark the mid points E and F of
two sides of triangle. 𝐀𝐁⎯⎯⎯⎯⎯⎯⎯⎯ and 𝐀𝐂⎯⎯⎯⎯⎯⎯⎯⎯⎯ respectively. Join the point E and F as shown in the figure. Measure EF and the third side BC of triangle. Also measure ∠AEF and ∠ABC.
We find ∠AEF = ∠ABC and EF⎯⎯⎯⎯⎯⎯⎯=12BC⎯⎯⎯⎯⎯⎯⎯⎯

As these are corresponding angles made by the transversal AB with lines EF and BC, we say EF//BC.
Repeat this activity with some more triangles. (Page No. 188)

Solution:

P, Q are mid points of XY and XZ
PQ // YZ
PQ = 12YZ

X, Y are mid points of PQ and PR
XY // QR
XY = 12QR

A, B are midpoints of DE and DF
AB // EF
AB = 12EF
( ∵ In all cases the pairs of respective corresponding angles are equal.)

AP Board Textbook Solutions PDF for Class 9th Telugu

Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks for Exam Preparations

Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbook Solutions can be of great help in your Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions exam preparation. The AP Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 9th Maths Chapter 8 Quadrilaterals InText Questions Books State Board syllabus with maximum efficiency.

FAQs Regarding Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbook Solutions

How to get AP Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbook Answers??

Students can download the Andhra Pradesh Board Class 9 Maths Chapter 8 Quadrilaterals InText Questions Answers PDF from the links provided above.

Can we get a Andhra Pradesh State Board Book PDF for all Classes?

Yes you can get Andhra Pradesh Board Text Book PDF for all classes using the links provided in the above article.

Important Terms

Andhra Pradesh Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions, AP Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks, Andhra Pradesh State Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions, Andhra Pradesh State Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbook solutions, AP Board Class 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks Solutions, Andhra Pradesh Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions, AP Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks, Andhra Pradesh State Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions, Andhra Pradesh State Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions Textbook solutions, AP Board STD 9th Maths Chapter 8 Quadrilaterals InText Questions Textbooks Solutions,

HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board

Hsslive.co.in: Kerala Higher Secondary News, Plus Two Notes, Plus One Notes, Plus two study material, Higher Secondary Question Paper.

Thursday, July 14, 2022