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Ex 14.2, 2 (g) - Chapter 14 Class 7 Symmetry
Last updated at March 16, 2023 by Teachoo
Ex 14.2
Ex 14.2, 1 (a)
Ex 14.2, 1 (b) Important
Ex 14.2, 1 (c) Important
Ex 14.2, 1 (d)
Ex 14.2, 1 (e) Important
Ex 14.2, 1 (f) Important
Ex 14.2, 2 (a)
Ex 14.2, 2 (b) Important
Ex 14.2, 2 (c)
Ex 14.2, 2 (d) Important
Ex 14.2, 2 (e)
Ex 14.2, 2 (f) Important
Ex 14.2, 2 (g) You are here
Ex 14.2, 2 (h) Important
Transcript
Ex 14.2, 2 (g) Give the order of rotational symmetry for each figure: Here, the angle in the middle is Angle = (360°)/6 = 60° Suppose it rotates 60° about center The figure looks the same as previous Now suppose it rotates again 60° The figure looks the same as previous Now suppose it rotates again 60° The figure looks the same as previous Again, it rotates 60° The figure looks the same as previous Once again, it rotates 60° The figure looks the same as previous Once again, it rotates 60° The figure looks the same as previous Suppose it again rotates 60° The figure looks the same as previous Thus, Thus, in 1 full turn (i.e 360°) The figure is same as that of initial 6 turns So, we say that figure has rotational symmetry of order 6
