Ex 12.2, 2 (b) - Chapter 12 Class 7 Symmetry

Last updated at August 14, 2026 by

What is order of rotational symmetry for figure - Two intersecting - Ex 12.2

part 2 - Ex 12.2, 2 (b) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry
part 3 - Ex 12.2, 2 (b) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry part 4 - Ex 12.2, 2 (b) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry part 5 - Ex 12.2, 2 (b) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry part 6 - Ex 12.2, 2 (b) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry part 7 - Ex 12.2, 2 (b) - Ex 12.2 - Serial order wise - Chapter 12 Class 7 Symmetry

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Transcript

Ex 12.2, 2 (b) Give the order of rotational symmetry for each figure: Here, ∠AOB = 80° But, ∠AOB + ∠BOC = 180° 80° + ∠BOC = 180° ∠BOC = 180° − 80° ∠BOC = 100° Also, ∠AOB = ∠COD = 80° And ∠BOC = ∠ AOD = 100° Thus, Thus, in 1 full turn (i.e. 360°) This figure is same as that of initial 2 turns So, we say that this figure has rotational symmetry of order 2

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