Polyhedron

Q. Which of the following is a non-regular polyhedron?

1. 
2. 
3. 
4. 

Q. Solids with curved faces are called .

1. Polyhedrons
2. Non-Polyhedrons
3. Polygons

Q. Solids with curved faces or non polygonal faces are called __________.

1. polyhedrons
2. non-polyhedrons
3. polygons
4. curves

Q. Polyhedron is a _______.

1. 3-dimensional shape having curves as its faces
2. 2-dimensional shape having polygons as its faces
3. 2-dimensional shape having curves as its faces
4. 3-dimensional shape having polygons as its faces

Q. Which of the following is an example of non-polyhedron?

1. Cube
2. Cone
3. Triangular prism
4. Triangular Pyramid

Q. Polyhedron are classified by the number of faces
Name the polyhedron having
A. 10 faces
B. 11 faces

Q. is a non-polyhedron.

1. Cone
2. Prism
3. Cuboid

Q.

The polygons which form a polyhedron are known as _____.

1. edges

2. None of the above

3. faces

4. vertices

Q. Question 1 (e)
Given here are some figures:


Classify each of them on the basis of the following.
(e) Concave polygon

Q.

(i) An ice-cream cone (ii) a cricket ball (iii) a glass tumbler (iv) a brick.

Which of the above are polyhedrons?

1. i, ii, iii

2. iv

3. i, ii

4. iii, iv

Q. Burst the bubbles with Polyhedrons.

1. Cone
2. Cuboid
3. Square pyramid
4. Sphere
5. Cylinder
6. Square prism
7. Cube
8. Tetrahedron

Q. Which of the following is not a regular polyhedon?

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

Q.

Which of the following is not a polyhedron?

1. Cube

2. Cone

3. Cylinder

4. Prism

Q. Solids with curved faces are called .

1. Polyhedrons
2. Non-Polyhedrons
3. Polygons

Q. Which of the following is not a polyhedron?

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

Q. which of the following is a regular polyhedron?

1. Triangular prism
2. Cube
3. Cuboid
4. Square pyramid

Q. Burst the bubbles with Polyhedrons.

1. Cone
2. Cuboid
3. Square pyramid
4. Sphere
5. Cylinder
6. Square prism
7. Cube
8. Tetrahedron