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AP Board Class 7 Maths Chapter 11 Area of Plane Figures Ex 11.1 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Book Answers

AP Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Book answers and solutions are one of the most important study materials for any student. The Andhra Pradesh State Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 textbooks are prepared by a group of expert faculty members. Students can download these AP Board STD 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 book solutions pdf online from this page.

Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Textbooks Solutions PDF

Andhra Pradesh State Board STD 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 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 11 Area of Plane Figures Ex 11.1 Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 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 11 Area of Plane Figures Ex 11.1 Textbooks. These Andhra Pradesh State Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 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 11 Area of Plane Figures Ex 11.1 Books Solutions

Board	AP Board
Materials	Textbook Solutions/Guide
Format	DOC/PDF
Class	7th
Subject	Maths
Chapters	Maths Chapter 11 Area of Plane Figures Ex 11.1
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AP Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
Calculate the area of the following triangles given below :
(a)

Answer:
From the figure, base = 6 cm
Height = 3 cm
Area of the triangle = 12 ∙ b ∙ h

= 9 sq.cm

(b)

Answer:
From the figure, base = 4.2 cm
Height = 3.2 cm
Area of the triangle = 12 ∙ b ∙ h

= 6.72 sq.cm

(a)

Answer:
From the figure, base = 3 cm
Height = 4 cm
Area of the triangle = 12 ∙ b ∙ h

= 6 sq.cm

(a)

Answer:
From the figure, base = 5 cm
Height = 2 cm
Area of the triangle = 12 ∙ b ∙ h

= 5 sq.cm

Question 2.
Find the area of triangle with base 3.8 cm and height 4.6 cm.
Answer:
Given base of the triangle b = 3.8 cm
Height of the triangle h = 4.6 cm
Area of the triangle = 12 ∙ b ∙ h

∴ Area of the triangle = 8.74 sq.cm.

Question 3.
The surface area of a triangular shape window is 24 sq.m, and height is 6m., then find the base of the triangle, if the cost of glass fitting per sqm is ₹ 250, then find total cost of glass fitting for window.

Answer:
Let,
base of the triangular window = b m
Height of the triangular window h= 6m
Area of triangular window = 12 ∙ b ∙ h

= 24 sq.cm
⇒ 3b = 24
⇒ b = 243
= 8
∴ Base of the triangular window = 8m
Cost of glass fitting per sq.m = ₹ 250
Cost of glass fitting per 24 sq.m = 250 × 24
∴ Total cost of glass fitting for window = ₹ 6000/-

Question 4.
A traffic signal plate in the shape of triangle is having base 20 cm, height 15 cm. Find the area of the triangle. If the cost of painting is ₹ 2 per Sq.cm, then find the total cost for painting the signal board on one side.

Answer:
Given the base of the signal plate b = 20 cm
Height of the signal plate h = 15 cm
Area of the signal plate = 12 ∙ b ∙ h

= 150 sq.cm
∴ Area of the signal plate = 150 sq.cm
Cost of painting per sq.cm = ₹ 2
Cost of painting for 150 sq.cm = 150 × 2
∴ Total cost for painting the signal board = ₹ 300

Question 5.
find the area of triangular shaped wall painting whose base is 24m, height is 38m. Find the area of the triangle, if the cost of painting is ₹ 50 per Sq. m. and also find the total cost of painting.

Answer:
Given base of the triangular wall painting = 24 m Height = 38 m
Area of wall painting = 12 ∙ b ∙ h

= 456 sq.m.
Cost of painting per 1 sq.m = ₹ 50
Cost of painting for 456 sq.m = 456 × 50
∴ Total cost for painting per 456 sq.m = ₹ 22,800

Question 6.
The area of triangle shaped elevation of a house is 195 Sq.m. Its base is 26m. Find the height of elevation. Find the total cost of cementing, if the cost of cementing per Sq.m, is ₹ 250.

Answer:
Given, base of triangle shaped elevation of house b = 26 m height h = ?
Area of the triangular elevation = 195 sq.m
= 12 ∙ b ∙ h

⇒ 13 h = 195

Height of triangular elevation = 15 m
Cost of cementing per sq.m = ₹ 250
Cost of cementing per 195 sq.m
= 195 × 250
∴ Total cost of cementing of triangular elevation = ₹ 48,750

AP Board Textbook Solutions PDF for Class 7th Maths

Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 exam preparation. The AP Board STD 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.1 Books State Board syllabus with maximum efficiency.

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