Various Geometrical Solids

Q.

What is the difference between a pyramid and a prism?

Q. A Polyhedron whose base is a polygon and its lateral faces are triangles meeting at a vertex is known as

1. Prism
2. Pyramid
3. Cuboid
4. Regular polyhedron

Q. Which of the following is not a polyhedron?

1. Cone
2. Cube
3. Prism
4. Pyramid

Q. If a polyhedron is having 8 faces and 6 vertices, then find the number of edges.

1. 10
2. 11
3. 12
4. 13

Q. Prism is a solid whose top and base are congurent and lateral faces are in shape.

1. polygons
2. parallelograms
3. squares
4. polyhedrons

Q. Which of the following is/are Platonic solids?

1. Tetrahedron
2. Triangular Prism
3. Cube
4. Octahedron

Q.

How many small cubes are there in above the given figure?

1. 3

2. 4

3. 5

4. 6

Q.

What is the difference between a pyramid and prism?

Q.

Determine whether it is possible to obtain the cross section from a cube.

Pentagon

Q. The top view of a right circular cylinder is a/an .

1. circle
2. oval
3. sphere

Q.

What are cube and cuboid?

Q. Find the number of triangles of the given Icosahedron.

1. 10
2. 15
3. 18
4. 20

Q. Identify the name of the object given below.

1. Triangular prism
2. Hexagonal prism
3. Octagonal prism
4. Pentagonal pyramid

Q. Find the number of unit cubes in the given figure.

1. 16
2. 19
3. 17
4. 18

Q.

Which description of the solid does not belong with the other three? Explain your reasoning.

(i) Square pyramid

(ii) Regular pyramid

(iii) Rectangular pyramid

(iv) Triangular pyramid

Q. In a polyhedron, if the number of vertices is $8$ and the number of edges is twice as the number of faces, then the number of faces and edges of the polyhedron respectively is?

Q. 30. What is herons formula

Q. If the base of the prism is a pentagon, then it is called

1. Square prism
2. Pentagonal prism
3. Pentagonal pyramid
4. Square pyramid

Q.

There are twelve small cubes in above the given figure.

1. True

2. False

Q.

Identify a dice if its front, top and side views are as shown in the figure.

1. 

2. 

3. 

4. 

Q. Question 45

State whether the following statement is True or False.

Regular octahedron has 8 congruent faces which are isosceles triangles.

Q. State true or false:
Every polygon has atleast three sides.

1. True
2. False

Q. Triangular pyramid is also known as

1. Tetrahedron
2. Dodecahedron
3. Octahedron
4. Cube

Q.

Which are prisms among the following?

1. Nail

2. Unsharpened pencil

3. A box

4. A table calendar

Q. What is the name of the given figure?

1. Triangular prism
2. Octagonal prism
3. Hexagonal prism
4. Pentagonal prism

Q.

Identify the following 3-D object.

1. rectangular pyramid
2. right triangular prism
3. cylinder
4. right rectangular prism

Q. In a given tetrahedron ABCD let K and L be the centers of edges AB and CD respectively. Prove that every plane that contains the line KL divides the tetrahedron into two parts of equal volume

Q. How was herons formula derived or made?

Q. Find the number of cubes in the given figure.

1. 9
2. 10
3. 14
4. 15

Q. What is the name of the given object ?

1. Octagonal Pyramid
2. hexagonal Prism
3. Triangular Prism
4. Pentagonal Pyramid