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

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


AP Board Class 7th Maths Chapter 11 Area of Plane Figures Unit Exercise Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures 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 11 Area of Plane Figures Unit Exercise books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Unit Exercise 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 Unit Exercise book solutions pdf online from this page.

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

Andhra Pradesh State Board STD 7th Maths Chapter 11 Area of Plane Figures 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 11 Area of Plane Figures 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 11 Area of Plane Figures 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 11 Area of Plane Figures Unit Exercise Textbooks. These Andhra Pradesh State Board Class 7th Maths Chapter 11 Area of Plane Figures 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 11 Area of Plane Figures Unit Exercise Books Solutions

Board AP Board
Materials Textbook Solutions/Guide
Format DOC/PDF
Class 7th
Subject Maths
Chapters Maths Chapter 11 Area of Plane Figures Unit Exercise
Provider Hsslive


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AP Board Class 7th Maths Chapter 11 Area of Plane Figures Unit Exercise Textbooks Solutions with Answer PDF Download

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

Question 1.

Answer:

Question 2.
Write the formulae of the following:
(i) Area of the rectangular path ……………….. .
Answer:
Area of the outer rectangle – Area of the inner rectangle.

(ii) Area of the square path ……………….. .
Answer:
Area of the outer square – Area of the – inner square.

(iii)
Area of the circular path ……………….. .
Answer:
Area of the outer circle – Area of the inner circle.
π(R + r)(R – r)

Question 3.
Find the area of a triangle if its base is 18 cm, height is 13 cm.

Answer:
Given base of the triangle b = 18 cm
Height of the triangle h = 13 cm
Area of the triangle = 12 ∙ b ∙ h

∴ Area of the triangle = 117 sq.cm.

Question 4.
In a park a rectangular path given outside for walking around the grassland of length 28 m., and breadth 20m. If the width of the walking path is 2m., find the area of walking path.

Answer:
Given inner length of the park l = 28 m
Breadth b = 20 m

Area of the inner rectangle = l × b
= 28 × 20
= 560 sq.m
Path laid outside around the grassland.
Width of the path = 2 m
So, outer length of rectangle
l = Inner length + 2 × Width
= 28 + 2 × 2 = 28 + 4 = 32 m
Breadth b = 20 + 2 × 2
= 20 + 4 = 24m
Area of the outer rectangle = l × b = 32 × 24 = 768 sq.m
∴ Area of the walking path = outer area – inner area
= 768 – 560 = 208 sq.m.

Question 5.
The elevation of building have square – shaped window of a side 150 cm. Around this window tiles arranged with a width of 70 cm. Find the area of tiles and total cost of tiles arranged, if cost per sq.cm. is ₹ 5.
Answer:
Side of square window = 150 cm
Area of square window = 150 × 150 A
= 22500 cm2
Area of square formed by arranging tiles around the window
= (150 + 70)2 = 2202 = 48400 cm2
Area of tiles laid = (Area of outer square) – Area of inner square
= 48400 – 22500 = 25900
∴ Total cost by laying tiles around the window
@ ₹5 per cm2 is = 259 × 5 = ₹ 1295.00

Question 6.
Two cross roads, each of width 4 m, run at right angles through the centre of a rectangular park of length 60 m and breadth 40 m and parallel to its sides. Find the area of the roads. Also find the cost of constructing the roads at the rate of ₹ 100 sq.m.

Answer:
Length of the rectangular park = 60 m
Breadth of the rectangular park = 40 m
Length of the path along length of the park = 60 m
Width of the path along length of the park = 40 m
Area of the path along length of the park = 60 × 4 = 240 m2
Similarly,
Length of the path along breadth of the park = 40 m
Width = 4m
∴ Area of the path along its breadth = 40 × 4 = 160 m2
Hence, area of the paths = Area of the path along length + Area of the path along breadth – Area of the intersecting square
= 240 + 160 – 4 × 4
= 400 – 16 = 384
∴ Cost of construction at the rate of
₹ 100 per sq.m = 384 × 100 = ₹ 38400

Question 7.
Find the area of the circular shaped photo frame whose radius 28 cm. If the cost of decoration is ₹ 3 per sq. cm., find total cost of decoration.
Answer:
Radius of the circle = 28 cm
Area = πr2
227 × 28 × 28 = 2464 cm2
Circumference of the photo frame 2πr
= 2 × 227 × 28 = 176 cm
∴ Cost of decorative piece at the rate of ₹ 3 per cm is 176 × 3 = ₹ 528

Question 8.
Find the path area of circular shaped grassland of radius 42 m where width of the path is 7 m. around and outside the circle. Find the area of path and total cost of flooring, if the cost of flooring ₹ 150 per sq.m.

Answer:
Radius of circular floor = 42 m
Width around it = 7 m
Radius of outer circle = 42 + 7 = 49 m
Area of outside path = Area of outer circle – Area of inner cirlce
Area of inner circle = πr2 = 227 × 42 × 42
Area of the outer circle = πR2 = 227 × 49 × 49
Area of floor = 227 (49 × 49 – 42× 42)
227 (2401 – 1764)
227 × 637 = 2002 m2
∴ Cost of flooring at the rate of ₹ 150 per sq.m is 2002 × 150 = ₹ 300300


AP Board Textbook Solutions PDF for Class 7th Maths


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

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

FAQs Regarding Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Unit Exercise Textbook Solutions


How to get AP Board Class 7th Maths Chapter 11 Area of Plane Figures Unit Exercise Textbook Answers??

Students can download the Andhra Pradesh Board Class 7 Maths Chapter 11 Area of Plane Figures 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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