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Ex 12.2, 1 (a) Which of the following figures have rotational symmetry of order more than 1: Let’s rotate it by 90° Again rotate it by 90° Suppose it rotate by 90° again Once more, it rotates by 90° Thus, Thus, in 1 full turn (i.e. 360°) The figure is same as that of initial 4 turns. So, we say that figure has rotational symmetry of order 4

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.