NCERT Class 7 Mathematics Solutions: Chapter 14 – Symmetry Exercise 14.2 Part 1

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1. Which of the following figures have rotational symmetry of order more than

The following figures have rotational symmetry of order more than 1

Figures with Rotational Symmetry of Order More Than 1

The following figures have rotational symmetry of order more than 1

Answer:

Rotational symmetry of order more than 1

Because in these figures, a complete turns, more than number of times, an object looks exactly the same.

2. Give the order the rotational symmetry for each figure:

Find the order of the rotational symmetry for each figure

Find the Order of the Rotational Symmetry for Each Figure

Find the order of the rotational symmetry for each figure

Answer:

(a)

Rotational symmetry for figure (a)

Rotational Symmetry for Figure (A)

Rotational symmetry for figure (a)

Order of rotational symmetry: 2

(b)

Rotational symmetry for figure (b)

Rotational Symmetry for Figure (B)

Rotational symmetry for figure (b)

Order of rotational symmetry: 2

(c)

Rotational symmetry for figure (c)

Rotational Symmetry for Figure (C)

Rotational symmetry for figure (c)

Order of rotational symmetry: 3

(d)

Rotational symmetry for figure (d)

Rotational Symmetry for Figure (D)

Rotational symmetry for figure (d)

Order of rotational symmetry: 4

(e)

Rotational symmetry for figure (e)

Rotational Symmetry for Figure (E)

Rotational symmetry for figure (e)

Order of rotational symmetry: 4

(f)

Rotational symmetry for figure (f)

Rotational Symmetry for Figure (F)

Rotational symmetry for figure (f)

Order of rotational symmetry: 5

(g)

Rotational symmetry for figure (g)

Rotational Symmetry for Figure (G)

Rotational symmetry for figure (g)

Order of rotational symmetry: 6

(h)

Rotational symmetry for figure (h)

Rotational Symmetry for Figure (H)

Rotational symmetry for figure (h)

Order of rotational symmetry: 3