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Ex 14.2, 2 (e) Give the order of rotational symmetry for each figure: Suppose it rotates 90° This figure looks same as previous. Now, suppose it rotates again 90° This figure looks same as previous. Now, suppose it rotates again 90° This figure looks same as previous. Now, suppose it rotates again 90° This figure looks same as previous. 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.