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## AP Board Class 8 Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Textbook Solutions PDF: Download Andhra Pradesh Board STD 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Book Answers

 AP Board Class 8 Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Textbook Solutions PDF: Download Andhra Pradesh Board STD 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Book Answers

## Andhra Pradesh State Board Class 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Books Solutions

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## AP Board Class 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
There are two cuboidal boxes as shown in the given figure. Which box requires the less amount of material to make?

Solution:
Volume of a cuboid V1 = lbh
= 60 × 40 × 50
V1 = 1,20,000 cubic units.
Volume of a cube V2 = (a)3
= (50)3 = 50 × 50 × 50
V2 = 1,25,000 cubic units.
∴ The cuboidal box requires less amount of material.
∴ V1 < V2

Question 2.
Find the side of a cube whose surface area is 600 cm2
Solution:
Total surface area of a cube = 6a2
⇒ 6a2 = 600
⇒ a2 = [𝑙𝑎𝑡𝑒𝑥]6006[/latex] = 100
⇒ a2 = 100
⇒ a = √100 = 10
∴ The side of a cube (a) = 10 cm.

Question 3.
Prameela painted the outer surface of a cabinet of measures 1m × 2m × 1 .5m. Find the surface area she cover if she painted all except the bottom of the cabinet?
Solution:
The area of outer surface of a cabinet except the bottom of the cabinet will be equal to its lateral surface area.
I = lm,b = 2m, h = 1.5m.
A = 2h(l + b)
= 2 × 1.5(1 + 2)
= 3 × 3 = 9 m2.

Question 4.
Find the cost of painting a cuboid of dimensions 20cm × 15 cm × 12 cm at the rate of 5 paisa per square centimeter.
Solution:
l = 20cm, b = 15cm, h = 12cm.
∴ Total surface area of a cuboid
A = 2 (lb + bh + lh)
=2(20 × 15 + 15 × 12 + 20 × 12)
= 2 (300 + 180 + 240)
= 2 × 720
= 1440 sq.cm.
The cost of painting a cuboid at the rate of 5 paisa per sq. cm for 1440 sq.cm.
= 1440 × 5 paisa
= 7200 paise
= ₹ 7200100
= ₹ 72

## Andhra Pradesh Board Class 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Textbooks for Exam Preparations

Andhra Pradesh Board Class 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 exam preparation. The AP Board STD 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 Books State Board syllabus with maximum efficiency.

## FAQs Regarding Andhra Pradesh Board Class 8th Maths Chapter 14 Surface Areas and Volumes Ex 14.1 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.

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