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Ex 12.3, 3 - Chapter 12 Class 7 Symmetry
Last updated at July 6, 2023 by Teachoo
Transcript
Ex 12.3, 3 If a figure has two or more lines of symmetry, should it have rotational symmetry of order more than 1?In case of rectangle, Number of line of symmetry = 2 Order of rotational symmetry = 2 In case of rhombus, Number of line of symmetry = 2 Order of rotational symmetry = 2 In case of an equilateral triangle, Number of line of symmetry = 3 Order of rotational symmetry = 3 In case of square, Number of line of symmetry = 4 Order of rotational symmetry = 4 In case of circle, Number of line of symmetry = Infinite Order of rotational symmetry = Infinite Hence, A figure should have rotational symmetry of order more than 1, if it has 2 or more lines of symmetry
