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

## AP Board Class 7 Maths Chapter 4 Lines and Angles Ex 4.2 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 4 Lines and Angles Ex 4.2 Book Answers

 AP Board Class 7 Maths Chapter 4 Lines and Angles Ex 4.2 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 4 Lines and Angles Ex 4.2 Book Answers

## Andhra Pradesh State Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 Books Solutions

 Board AP Board Materials Textbook Solutions/Guide Format DOC/PDF Class 7th Subject Maths Chapters Maths Chapter 4 Lines and Angles Ex 4.2 Provider Hsslive

## How to download Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 Textbook Solutions Answers PDF Online?

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## AP Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
Observe the given figure and write any 2 linear pairs of angles.

Linear pair of angles :
∠KOQ, ∠QOP
∠KOQ, ∠KOL
∠KOL, ∠LOP
∠QOP, ∠POL
∠KOM, ∠MOP
∠QOM, ∠MOL

Question 2.
Draw a pair of adjacent angles which are complementary to each other.

In the figure ∠AOB, ∠BOC are adjacent angles and their sum is complementary.
∴ ∠AOB + ∠BOC = 50° + 40° = 90°

Question 3.
Draw a pair of adjacent angles which are supplementary to each other.

In the figure ∠POQ, ∠OOR are linear pair and adjacent angles and their sum is supplementary.
∴ ∠POQ + ∠OOR = 110° + 70° = 180°

Question 4.
Give any two examples of adjacent angles in your surroundings.
Fan, Bullock cart wheel, Clock, etc.

Question 5.
Observe the figure and write the adjacent angles.

In the given figure, adjacent angles are
∠AOC, ∠COB
∠AOC, ∠COD
∠COD, ∠DOB
∠AOD, ∠DOB

Question 6.
Is it possible for the following pair of angles to form a linear pair? If yes, draw them. If not, give reason.
(i) 120°, 60°
Yes.

120° + 60° = 180°
120°, 60° (Linear pair)

(ii) 98°, 102°
No, their sum is not equal to 180°
98° + 102° = 200° > 180°
So, they are not 1irear pair.

Question 7.
Draw the following angles as linear pair. Write the straight line and common arm.

∠BOA + ∠AOC = 180°

∴ ∠BOA and ∠AOC are linear pair.
BC is a straight line and OA is an arm.

Question 8.
In the given figure, AB is a straight line. O is a point on AB . Find the value of x.

In the given figure AB−→− is a straight line.
∠AOC + ∠COB = 180°

⇒ 2x + 30° + x = 180°
⇒ 3x + 30°= 180°
⇒ 3x + 30° – 30°= 180°
⇒ 3x = 150°
⇒ 3𝑥3=1503
⇒ x = 50

Question 9.
Teacher asked students to check whether 40° and 140° form a linear pair or not by drawing angles. The students have drawn as follows. Who will get correct answer?

Raheem: ∠AOD = 140°, ∠BOC = 40° they are not adjacent angles and not linear pair.
So, Raheem is not correct.

Mary: ∠COD = 140°, ∠BOC = 40° they are adjacent angles, but they are not linear pair.
So, Mary answer is not correct.

Roshitha: ∠XOZ = 140°, ∠ZOY = 40° they are adjacent angles and linear pair.
So, Roshitha answer is correct.

## Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 exam preparation. The AP Board STD 7th Maths Chapter 4 Lines and Angles Ex 4.2 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 Books State Board syllabus with maximum efficiency.

## FAQs Regarding Andhra Pradesh Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 Textbook Solutions

#### How to get AP Board Class 7th Maths Chapter 4 Lines and Angles Ex 4.2 Textbook Answers??

Students can download the Andhra Pradesh Board Class 7 Maths Chapter 4 Lines and Angles Ex 4.2 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

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