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A logo for a Chennai startup has rotational symmetry of order 3.
List all the angles between 0° and 360° (not including 0°) at which the logo looks exactly the same.

Class 7Rotational SymmetryGeometry
  • A120°, 240°, 360°
  • B90°, 180°, 270°, 360°
  • C60°, 120°, 180°
  • D120°, 240° only

Step-by-Step Solution

Order 3 means it repeats at multiples of 360°/3 = 120°, i.e. 120°, 240° and 360°.
Answer: A) 120°, 240°, 360°

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