What is the order of rotational symmetry for - 3 Joined Legs [Teachoo] - Ex 12.2

part 2 - Ex 12.2, 2 (h) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry
part 3 - Ex 12.2, 2 (h) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry part 4 - Ex 12.2, 2 (h) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry part 5 - Ex 12.2, 2 (h) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry

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Transcript

Ex 12.2, 2 (h) Give the order of rotational symmetry for each figure: Since circle is divided into 3 equal sectors, Angle at center = (360°)/3 = 120° This figure looks same as previous Suppose it rotates 120° again This figure looks same as previous Thus, in 1 – full turn (i.e 360°) The figure is same as that of initial 3 turns. So, we say that figure has rotational symmetry of order 3

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