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## AP Board Class 8 Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Textbook Solutions PDF: Download Andhra Pradesh Board STD 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Book Answers

 AP Board Class 8 Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Textbook Solutions PDF: Download Andhra Pradesh Board STD 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Book Answers

## Andhra Pradesh State Board Class 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Books Solutions

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## How to download Andhra Pradesh Board Class 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Textbook Solutions Answers PDF Online?

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## AP Board Class 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
Count the number of faces , vertices , and edges of given polyhedra and verify Euler’s formula.

Solution:

Question 2.
Is a square prism and cube are same? explain.
Solution:
All cubes are square prisms, but converse is not true. (i.e.,) All square prisms are either cubes or, not.

Question 3.
Can a polyhedra have 3 triangular faces only? explain.
Solution:
Any polyhedra can’t have 3 triangular faces because the triangular pyramids are formed starts with 4 faces. So it does not exist.

Question 4.
Can a polyhedra have 4 triangular faces only? explain.
Solution:
Yes, a triangular pyramid have 4 triangular faces.

Question 5.
Complete the table by using Euler’s formula.

 F 8 5 ? V 6 ? 12 E ? 9 30

Solution:

 F 8 5 20 V 6 6 12 E 12 9 30

i) E = V + F- 2 = 8 + 6- 2 = 12
ii) V = E + 2- F = 9 + 2- 5 = 6
iii) F = E + 2- V = 30 + 2-12 = 20

Question 6.
Can a polyhedra have 10 faces ,20 edges and 15 vertices?
Solution:
No. of faces = 10
No. of edges = 20
No. of vertices = 15
According to Euler’s formula E = V + F – 2
⇒ 20 = 15 + 10 – 2
20 = 25 – 2
20 = 23 (False)
∴ A polyhedra doesn’t exist with 10 faces, 20 edges, 15 vertices.

Question 7.
Complete the following table

Solution:

Question 8.
Name the 3-D objects or shapes that can be formed from the following nets.

(i) Hexagonal pyramid
(ii) Cuboid
(iii) Pentagonal pyramid
(iv) Cylinder
(v) Cube
(vi) Hexagonal pyramid
(vii) Trapezoid

Question 9.
Draw the following diagram on the check ruled book and fmd out which of the following diagrams makes cube?
(i)

Solution:
The diagrams which makes cubes are a, b, c, e.

(a) Name the polyhedron which has four vertices, four faces’?
(b) Name the solid object which has no vertex?
(c) Name the polyhedron which has 12 edges’?
(d) Name the solid object which has one surface’?
(e) How a cube is different from cuboid?
(f) Which two shapes have same number of edges, vertices and faces?
(g) Name the polyhedron which has 5 vertices and 5 faces’?
Solution:
(a) Tetrahedron
(b) Sphere
(c) Cube/Cuboid
(d) Sphere
(e) Cube is a regular polyhedron where cuboid is not.
(f) Cube, Cuboid
(g) Square pyramid

(iii) Write the names of the objects given below

Solution:
(a) Octagonal prism
(b) Hexagonal prism
(c) Triangular prism
(d) Pentagonal prism

## Andhra Pradesh Board Class 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Textbooks for Exam Preparations

Andhra Pradesh Board Class 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 exam preparation. The AP Board STD 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 Books State Board syllabus with maximum efficiency.

## FAQs Regarding Andhra Pradesh Board Class 8th Maths Chapter 13 Visualizing 3-D in 2-D Ex 13.2 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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