# 3D Objects(Face, Vertex, Edge, Net)

## Trending Questions

**Q.**A polyhedron has 12 faces and 30 edges. Find the number of vertices.

- 20
- 50
- 30
- 10

**Q.**

What is the meaning of surmounted in Mathematics?

**Q.**Question 7

Using Euler's formula, find the unknown:

Faces?520Vertices6?12Edges129?

**Q.**How many edges does a match-box have?

- 12

**Q.**

The corners of a solid shape are called its _________; the line segments of its skeleton are called its ___________; and its flat surfaces are its ________. The respective blanks should be filled by:

edges, faces, vertices

vertices, edges, faces

vertices, faces, edges

faces, edges, vertices

**Q.**

A brick is a _____________ dimensional object.

**Q.**If the light from a torch is focused right above a cone, what would be the shape of the shadow formed below the cone?

- Triangle
- Circle
- Point
- Semicircle

**Q.**Find the number of edges and vertices of the given figure.

- Edges= 6 , Vertices =12
- Edges= 12 , Vertices =6
- Edges= 10 , Vertices =12
- Edges= 6 , Vertices =8

**Q.**The number of vertices of a shape having 6 faces and 10 edges is

- 6
- 7
- 5

**Q.**

The points of intersection of the edges of a 3 dimensional solid are called its

Faces

Vertices

Bases

Edges

**Q.**According to Euler's formula, what is the value of (E + F + V) for the given 3-D structure?

- 36

**Q.**In which of the following shapes, length = breadth = height ?

- Cube
- Cuboid
- Rectangular prism
- Cone

**Q.**

Using Euler's formula, find the value of

(F + V - E ) for the given figure.

- 2

**Q.**Find the sum of the number of vertices, faces, and edges in the given solid.

- 34
- 32
- 36
- 38

**Q.**The skeleton outline of a solid on 2−D surface is called:

- Opaque
- Oblique sketch
- Isometric sketch
- Net

**Q.**What cross-section do you get when you give a horizontal cut to a upright cone?

- Square
- Rectangle
- Triangle
- Circle

**Q.**Find the sum of the number of vertices, faces, and edges in the given solid.

**Q.**

Using Euler's formula, find the unknown. [4 MARKS]

Faces?520Vertices6?12Edges129?

**Q.**

Using Euler's formula complete the following table.

[4 MARKS]

FacesVerticesEdges1010?8?1868??5812?19

**Q.**

What can be cut out from a piece of paper and folded to make the 3-dimensional figure?

A sphere

A prism

A pyramid

A Net

**Q.**

What is the key feature of a sphere? How many faces, corners and edges does a sphere have? [2 MARKS]

**Q.**Which of the following is not an example for 3-D figure?

- Cuboid
- Cube
- Triangle
- Sphere

**Q.**Find the sum of the number of curved edges and curved faces in a cylinder.

- 5
- 4
- 3
- 2

**Q.**The number of vertices of a shape having 6 faces and 10 edges is

- 5
- 6
- 7

**Q.**

Which of these are 3 dimensional objects?

Coffee Mug

Birthday Hat

book

A page from your notebook

**Q.**How many possible nets of a cube can be drawn?

- 11

**Q.**

In the above figure,

(i) represents a/an

(ii) represents a/an

(iii) represents a/an

face, edge and vertex respectively.

edge, face and vertex respectively.

face, vertex and edge respectively.

vertex, edge and face respectively.

**Q.**Find the sum of the number of edges and faces in a cylinder.

- 5
- 4
- 3
- 1

**Q.**Which of the following is/are true regarding a solid?

- It has three dimensions
- It has infinite dimensions
- It has a volume
- A solid has neither area nor volume

**Q.**

When the shadow of the Rubik's cube was projected, the shape of the polygon formed on the wall is