Practice the AP 8th Class Maths Bits with Answers Chapter 13 Visualizing 3-D in 2-D on a regular basis so that you can attempt exams with utmost confidence.

## AP State Syllabus 8th Class Maths Bits 13th Lesson Visualizing 3-D in 2-D with Answers

Choose the correct answer.

Question 1.
Which of the following is a 3 – D figure?
A) Square
B) Rectangle
C) Cone
D) Triangle
Answer:
C) Cone

Question 2.
Which of the following is a 2 -D figure?
A) Cube
B) Cuboid
C) Cylinder
D) Rectangle
Answer:
D) Rectangle

Question 3.
No. of cubes of the given figure

A) 16
B) 14
C) 12
D) 10
Answer:
D) 10

Question 4.
No. of faces of a square pyramid ……………
A) 4
B) 5
C) 3
D) 6
Answer:
B) 5

Question 5.
A polyhedron has …………. minimum no. of faces.
A) 1
B) 2
C) 3
D) 4
Answer:
D) 4

Question 6.
No. of edges of a cuboid are
A) 6
B) 10
C) 8
D) 12
Answer:
D) 12

Question 7.
No. of vertices of a cube are
A) 4
B) 8
C) 6
D) 12
Answer:
B) 8

Question 8.
No. of faces of a triangular pyramid are
A) 4
B) 6
C) 8
D) 2
Answer:
A) 4

Question 9.
A hexagonal pyramid has …………… faces.
A) 4
B) 5
C) 6
D) 8
Answer:
C) 6

Question 10.
Which of the following is an Euler’s law ?
A) F + V = E + 2
B) F + V = E – 2
C) F – E = V – 2
D) F + E = V – 2
Answer:
A) F + V = E + 2

Question 11.
The shape of a prism depend upon its ……………..
A) Base
B) Cone
C) Vertex
D) Number
Answer:
A) Base

Question 12.
No. of faces of a pentagonal pyramid are ……………..
A) 6
B) 5
C) 4
D) 9
Answer:
B) 5

Question 13.
The net of a cube is …………….

Answer:

Question 14.
The net for a cylinder is ……………

Answer:

Question 15.
No. of edges of a figure ……………..

A) 6
B) 10
C) 12
D) 9
Answer:
D) 9

Question 16.
The Euler’s relation among no. of faces, vertices and edges is ……………
A) E + V = E
B) F + V = E + 2
C) F – V = E
D) F – V = E – 2
Answer:
B) F + V = E + 2

Question 17.
If the sides of the base of a regular pyramid are increases infinitely then the shape of its base is ……………….
A) Cylinder
B) Cone
C) Prism
D) None
Answer:
B) Cone

Question 18.
Identify cuboid among the following.

Answer:

Question 19.
Identify 3-D object from the following.
A) Sphere
B) Circle
C) Paper
D) None
Answer:
A) Sphere

Question 20.
A polygon with 4 sides is called ………………
A) Triangle
B) Quadrilateral
C) Pentagon
D) Sexagon
Answer:
B) Quadrilateral

Question 21.
Number of edges of a cuboid is …………………
A) 11
B) 10
C) 6
D) None
Answer:
D) None

Question 22.
The name of given figure is ………………

A) Triangular prism
B) Octagonal prism
C) Pentagonal prism
D) Quadrilateral
Answer:
B) Octagonal prism

Question 23.
The given figure indicates ……………..

A) Octagonal prism
B) Cylinder
C) Pentagonal prism
D) Triangular prism
Answer:
A) Octagonal prism

Question 24.
In the figure F = …………….
A) 6
B) 3
C) 5
D) 9
Answer:
C) 5

Question 25.
In the figure V = ………….
A) 5
B) 6
C) 10
D) 4
Answer:
A) 5

Question 26.
An object with more number of faces is ……………..
A) Circle
B) Paper
C) Square
D) Sphere
Answer:
D) Sphere

Question 27.
How many cubes are there in the figure of 1 unit measure?

A) 6
B) 4
C) 12
D) 5
Answer:
D) 5

Question 28.
How many cubes are there in the figure of 1 unit measure?

A) 9
B) 14
C) 6
D) 2
Answer:
A) 9

Question 29.
How many cubes are there in the figure of 1 unit measure?

A) 10
B) 20
C) 14
D) 13
Answer:
B) 20

Question 30.
How many cubes are there in the figure of 1 unit measure ?

A) 11
B) 13
C) 14
D) 16
Answer:
C) 14

Question 31.
‘die’ is an example of ……………..
A) Triangle
B) Cube
C) Sphere
D) Pyramid
Answer:
B) Cube

Question 32.
Plasma T.V. is an example of …………….
A) Sphere
B) Rectangle
C) Triangle
D) Cuboid
Answer:
D) Cuboid

Question 33.
Kite is an example of …………. object.
A) Two dimensional
B) 3D
C) Prism
D) Sphere
Answer:
A) Two dimensional

Question 34.
In a cube f + v = …………….
A) 14
B) 16
C) 19
D) 20
Answer:
A) 14

Question 35.
In a Pentagonal Pyramid E + 2 = ………………
A) 6
B) 9
C) 18
D) 12
Answer:
D) 12

Observe the adjacent and answer the following questions:

Question 36.
No. of surfaces is …………….
A) 5
B) 6
C) 9
D) 10
Answer:
A) 5

Question 37.
No. of edges is ………….
A) 12
B) 11
C) 9
D) 16
Answer:
C) 9

Question 38.
No. of vertices is ……………
A) 9
B) 6
C) 12
D) 13
Answer:
B) 6

Question 39.
Number of edges of a cylinder is ……………….
A) 11
B) 10
C) 20
D) None
Answer:
D) None

Question 40.
What does in the figure indicate?

A) Surface
B) Vertex
C) Eight
D) Plane
Answer:
D) Plane