Page 232 - Start Up Mathematics_7

2. For each figure given below, find the number of lines of symmetry and also the angle of
rotational symmetry.

Figure Number of lines of symmetry Angle of rotational symmetry

(a) 4 90°

(b)

(c)

(d)

(e)

(f)

(g)

3. For the following patterns:
• V stands for symmetry about a vertical line passing through O

• H stands for symmetry about a horizontal line passing through O
• R stands for rotational symmetry about O
• T stands for translation symmetry

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