AP Board Class 7 Maths Chapter 4 Lines and Angles Ex 4.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 4 Lines and Angles Ex 4.3 Book Answers ~ HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board

AP Board Class 7 Maths Chapter 4 Lines and Angles Ex 4.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 4 Lines and Angles Ex 4.3 Book Answers

AP Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 Book answers and solutions are one of the most important study materials for any student. The Andhra Pradesh State Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 textbooks are prepared by a group of expert faculty members. Students can download these AP Board STD 7th Maths Chapter 4 Lines and Angles Ex 4.3 book solutions pdf online from this page.

Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 Textbooks Solutions PDF

Andhra Pradesh State Board STD 7th Maths Chapter 4 Lines and Angles Ex 4.3 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 7th Maths Chapter 4 Lines and Angles Ex 4.3 Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 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 7th Maths Chapter 4 Lines and Angles Ex 4.3 Textbooks. These Andhra Pradesh State Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 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 7th Maths Chapter 4 Lines and Angles Ex 4.3 Books Solutions

Board	AP Board
Materials	Textbook Solutions/Guide
Format	DOC/PDF
Class	7th
Subject	Maths
Chapters	Maths Chapter 4 Lines and Angles Ex 4.3
Provider	Hsslive

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AP Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
Name three pairs of vertically opposite angles in the figure. If ∠AOB = 45°, then find ∠DOE.

Answer:
Vertically opposite angles :
∠AOB, ∠DOE; ∠BOC, ∠EOF; ∠COD, ∠AOF
Given ∠AOB = 45°
In the given figure, ∠AOB is the vertically opposite angle to ∠DOE.
So, ∠DOE = ∠AOB = 45°
∴ ∠DOE = 45°

Question 2.
In the given figure 𝐏𝐐−→− is a straight line. Check whether x and y are vertically opposite angles or not. Give reason.

Answer:
𝐏𝐐−→− is a straight line. But 𝐒𝐑−→ is not a straight line.
If 𝐏𝐐−→− and 𝐒𝐑−→ are intersecting lines the x and y become vertically opposite angles.
So, x and y are not vertically opposite angles.

Question 3.
Write any three examples for vertically opposite angles in your surroundings.
Answer:
Scissors, window grills, cross roads, rail cross junctions, etc.

Question 4.
In the given figure, the lines l and m intersect at point P. Observe the figure and find the values of x, y and z.

Answer:
Given l and m are intersecting lines at P.
∠y = 20° (vertically opposite angles)
∠x = ∠z (vertically opposite angles)
∠y + ∠x = 180° (linear pair)
⇒ 20° + ∠x = 180°
⇒ 20° + ∠x – 20° = 180°- 20
⇒ ∠x = 160°
∴ ∠x = ∠z = 160°
∠x = 160°, ∠y = 20° and ∠z = 160°.

Question 5.
In the given figure, two lines 𝐀𝐃←→ and 𝐄𝐂←→ intersects at O. Name two pairs of vertically opposite angles in the given figure.

Answer:
In the given figure 𝐀𝐃←→ and 𝐄𝐂←→ are intersecting at O.
∠AOE = ∠COD (Vertically opposite angles)
∠1 = ∠3
∠EOD = ∠AOC (Vertically opposite angles)
∠EOD = ∠AOB + ∠BOC (we know ∠AOC = ∠AOB + ∠BOC)
∠2 = ∠5 + ∠4

Question 6.
Two lines 𝐏𝐒←→ and 𝐐𝐓←→ intersect at M. Observe the figure and find x.

Answer:
In the given figure 𝐏𝐒←→ and 𝐐𝐓←→ are intersecting at M.
∠PMQ = ∠TMS (Vertically opposite angles)
∠QMS = ∠PMT (Vertically opposite angles)
∠QMR + ∠RMS = ∠PMT (we know ∠QMS = ∠QMR + ∠RMS)

But, given, ∠QMR = 40°, ∠RMS = x° and ∠PMT = 105°
⇒ 40° + x° – 40° = 105° – 40°
∴ x° = 65°

AP Board Textbook Solutions PDF for Class 7th Maths

Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 exam preparation. The AP Board STD 7th Maths Chapter 4 Lines and Angles Ex 4.3 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 7th Maths Chapter 4 Lines and Angles Ex 4.3 Books State Board syllabus with maximum efficiency.

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