Question

Order of symmetry and angle of symmetry of an equilateral triangle and square

Answer 1

Answer:

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Step-by-step explanation:

A half-turn means rotation by 180° a quarter-turn means rotation by 90°. ... In a complete turn (of 360°), the number of times an object looks exactly the same is called the order of rotational symmetry. The order of symmetry of a square, for example, is 4 while, for an equilateral triangle, it is 3.