Symmetry and Visualising Solid Shapes Quiz

Which of the given figures is different from the other figures on the basis of the number of lines of symmetry?

1. Parallelogram
2. Irregular quadrilateral
3. Isosceles triangle
4. Trapezium

Answer: (c) Isosceles triangle

Determine the number of lines of symmetry of the given figure.

1. 1
2. 2
3. 3
4. 4

Answer: (b) 2

Which of the given letters has reflectional symmetry about a vertical axis?

1. D
2. E
3. K
4. H

Answer: (d) H

A polyhedron has 4 faces and 6 edges. How many vertices does the polyhedron have?

1. 6
2. 8
3. 4
4. 5

Answer: (c) 4

Identify the figure that differs from the others based on the number of vertices.

1. Hemisphere
2. Cylinder
3. Sphere
4. Cone

Answer: (d) Cone

Select the incorrect matches. Column I Column II (i) Triangular Prism 2 triangular faces and 3 rectangular faces (ii) Pentagonal Prism 2 pentagonal faces and 5 rectangular faces (iii) Triangular Pyramid 3 triangular faces (iv) Rectangular Pyramid 1 triangular face and 4 rectangular faces

1. (iii) and (iv)
2. (i) and (iii)
3. (iv) only
4. (ii), (iii) and (iv)

Answer: (a) (iii) and (iv)

Which of the following angle of rotation cannot corresponds to a rotational symmetry of order more than 1?

1. 45°
2. 19°
3. 15°
4. 24°

Answer: (b) 19°

Which of the following figures does not have both vertical and horizontal reflectional symmetry?

Answer: (c)

Count the number of four-sided figures in the given diagram.

1. 10
2. 20
3. less than 10
4. more than 20

Answer: (b) 20

Find the respective difference in the number of lines of symmetry and the angle of rotation of the following figures.

1. 1, 27°
2. 5, 45°
3. 4, 45°
4. 5, 27°

Answer: (a) 1, 27°