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Ex 12.3, 6 After rotating by 60° about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?Figure looks exactly same after rotating 60° about its Centre Thus, it will look same after rotating 60° about his Centre every time ∴ It will happen at 0°, 60°, 120°, 180°, 240°, 300° Example: Regular hexagon Hexagon If rotated by 60° Again rotate it by 60° Here, Angle at center = (360°)/6 = 60°

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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.