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## AP Board Class 7 Maths Chapter 11 Area of Plane Figures Ex 11.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 Book Answers

 AP Board Class 7 Maths Chapter 11 Area of Plane Figures Ex 11.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 Book Answers

## Andhra Pradesh State Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 Books Solutions

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## How to download Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 Textbook Solutions Answers PDF Online?

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## AP Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
The diameter of round table upper surface in Science lab is 70 cm. Find the area.

Given diameter of table d = 70 cm
Radius of table r = d2 = 702 = 35 cm
Area of the table = πr2

∴ Area of the round table = 3,850 sq.cm.

Question 2.
Radius of the circular shaped wall painting is 14 cm. Calculate the area of wall painting.

Given radius of the wall painting
r = 14 cm
Area of the circle = πr2
227 × 142

= 616
∴ Area of the wall painting = 616 sq.cm

Question 3.
If the area of circular shaped dart board is 1386 sq.cm. Find its radius and diameter.

Given the area of circular shaped dart board = 1386 sq.cm
Area of the circle = πr2 = 1386
⇒ 227 × r2 = 1386
⇒ 22 × r2 = 1386 × 7

⇒ r2 = 441 = 212
⇒ r2 = 212
∴ Radius of dart board r = 21 cm
Diameter of dart board d 2r
= 2 × 21
= 42 cm

Question 4.
Circumference of the circular shaped clock is 44 cm. Find the radius and surface area of the clock.

Given the circumference of clock = 44 cm
⇒ 2πr = 44 cm
⇒ 2 × 227 × r = 44
⇒ 44 × r = 44 × 7

∴ Radius of the clock r = 7 cm
Surface area of the clock = πr2
227 × 72

∴ Surface area of the clock = 154 sq.cm

Question 5.
The circumference of a circular shaped lawn in a park is 352 m. Find the area of the circular shaped lawn. If cost of grass per sq. m is ₹ 30, then find total cost of laying grass on lawn.

Given the circumference of lawn = 352 m
⇒ 2πr = 352 m
⇒ 2 × 227 × r = 352
⇒ 44r = 352 × 7 7

∴ Radius of the lawn r = 56 m
Area of the lawn = πr2
227 × 562

Area of the lawn = 9856 sq.m
Cost of grass per sq.m = ₹ 30
Cost of grass per 9856 sq.m = 9856 × 30
∴ Total cost of laying grass on lawn = ₹ 2,95,680

## Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 exam preparation. The AP Board STD 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 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 11.3 Books State Board syllabus with maximum efficiency.

## FAQs Regarding Andhra Pradesh Board Class 7th Maths Chapter 11 Area of Plane Figures Ex 11.3 Textbook Solutions

#### 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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