AP Board Class 7 Maths Chapter 5 Triangles Unit Exercise Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 5 Triangles Unit Exercise Book Answers ~ HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board

AP Board Class 7 Maths Chapter 5 Triangles Unit Exercise Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 5 Triangles Unit Exercise Book Answers

AP Board Class 7th Maths Chapter 5 Triangles Unit Exercise Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 7th Maths Chapter 5 Triangles Unit Exercise Book answers and solutions are one of the most important study materials for any student. The Andhra Pradesh State Board Class 7th Maths Chapter 5 Triangles Unit Exercise books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 7th Maths Chapter 5 Triangles Unit Exercise textbooks are prepared by a group of expert faculty members. Students can download these AP Board STD 7th Maths Chapter 5 Triangles Unit Exercise book solutions pdf online from this page.

Andhra Pradesh Board Class 7th Maths Chapter 5 Triangles Unit Exercise Textbooks Solutions PDF

Andhra Pradesh State Board STD 7th Maths Chapter 5 Triangles Unit Exercise 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 5 Triangles Unit Exercise Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 7th Maths Chapter 5 Triangles Unit Exercise 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 5 Triangles Unit Exercise Textbooks. These Andhra Pradesh State Board Class 7th Maths Chapter 5 Triangles Unit Exercise 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 5 Triangles Unit Exercise Books Solutions

Board	AP Board
Materials	Textbook Solutions/Guide
Format	DOC/PDF
Class	7th
Subject	Maths
Chapters	Maths Chapter 5 Triangles Unit Exercise
Provider	Hsslive

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AP Board Class 7th Maths Chapter 5 Triangles Unit Exercise Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Maths Chapter 5 Triangles Unit Exercise Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
How many right angles exist in a triangle?
Answer:
Only one right angle can exist in a triangle.

Question 2.
Which is the longest side in ∆XYZ having right angle at ‘Z’?
Answer:

In ∆XYZ, z = 90°
In triangle, the side opposite to the largest angle is longest side. .
So, XY is the longest side in ∆XYZ.

Question 3.
Is the sum of any two angles of a tri-angle always greater than the third angle? Give examples to justify your answer.
Answer:

In ∆ADI, ∠A = 70°, ∠D = 50°, ∠I = 60°
∠A + ∠D = 70° + 50° =120° > 60° ∴ ∠A + ∠D > ∠I.
∠D + ∠I = 50° + 60° = 110° > 70° ∴ ∠D + ∠I > ∠A.
∠A + ∠I = 70° + 60° = 130° > 50° ∴ ∠A + ∠I > ∠D.
Yes, sum of any two angles of a triangle always greater than the third angle.

Question 4.
Choose any three measures from the following to make three different triangular wooden frames.
11 m, 9 m, 3 m, 7 m and 5 m.
Answer:
We know that in a triangle sum of any two sides is greater than the third side.
(i) 3m, 7m, 5m
(ii) 3m, 9m, 11m
(iii) 3m, 7m, 9m

Question 5.
Write any two possible measurements to be suitable for the following triangles.
(i) Right angled triangle.
Answer:

In ∆SRI,
∠S = 40°, ∠R = 90°, ∠I = 50°
SR = 4 cm, RI = 3 cm and SI = 5 cm

(ii) Obtuse angled triangle.
Answer:

In ∆MDI, .
∠A = 200, ∠D = 1200, ∠I = 40°
AD = 4 cm, DI = 5 cm and AI = 7cm

(iii) Acute angled triangle.
Answer:

In ∆KIS,
∠K = 50°, ∠I – 60°, ∠S = 70°
KI = 4 cm, IS = 6 cm, KS = 8 cm

Question 6.
Find the value of ‘x’ and ‘y’ in the adjacent figure.

Answer:
In ∆ACL, AC = CL
So, ∆ACL is an isosceles triangle.

In isosceles triangle, the angles which are opposite to equal sides are also equal.
So, ∠A = ∠L = x°
∠C = 56° (Vertically opposite angle)

In ∆ACL,
we know ∠A + ∠C + ∠L = 180°
⇒ x + 56° + x = 180°
⇒ 2x + 56° – 56° = 180° – 56°
⇒ 2x =124°
⇒ 2𝑥2=124∘2
∴ x = 62°
Exterior angle at A = ∠C + ∠L
⇒ y = 56 + 62
⇒ y = 118°

Question 7.
In ∆ABC, ∠A is four times to ∠B and ∠C is five times to ∠B. Find the three angles.
Answer:

In ∆ABC, let ∠B = x°
then ∠A 4 times of ∠B = 4x°
∠C = 5 times of ∠B = 5x°

In ∆ABC, we know
∠A + ∠B + ∠C = 180°
⇒ 4x + x + 5x = 180°
⇒ 10x = 180°

x = 18°
∠B = 18°,
∠A = 4x° = 4 × 18° = 72°,
∠C = 5x° = 5 × 18° = 90°
∴ Three angles are 18°, 72° and 90°.

Question 8.
Ladder was faced to a wall, One end of the ladder was making 70° with the floor. Find the angle of the other end of the ladder with the wall.
Answer:

Let A be the one end of the ladder.
C is other end of the ladder.
B is the foot of the wall.

So, ∆ABC is formed.
In ∆ABC, ∠A = 70°, ∠B = 90°

We know, in ∆ABC,
∠A + ∠B + ∠C = 180° ‘
70° + 90° + ∠C = 180°
160° + ∠C = 180°
160° + ∠C – 160° = 180° – 160°
∠C = 20°
So, angle of the other end of the ladder is 20°.

Question 9.
Write the possible measurements of angles in the following table. One example is given for you.
Answer:

AP Board Textbook Solutions PDF for Class 7th Maths

Andhra Pradesh Board Class 7th Maths Chapter 5 Triangles Unit Exercise Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Maths Chapter 5 Triangles Unit Exercise Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Maths Chapter 5 Triangles Unit Exercise exam preparation. The AP Board STD 7th Maths Chapter 5 Triangles Unit Exercise Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 7th Maths Chapter 5 Triangles Unit Exercise Books State Board syllabus with maximum efficiency.

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How to get AP Board Class 7th Maths Chapter 5 Triangles Unit Exercise Textbook Answers??

Students can download the Andhra Pradesh Board Class 7 Maths Chapter 5 Triangles Unit Exercise 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.

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