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The image shows a triskelion symbol (a pattern with three arms spiraling outward from a central point) with a question asking: **"What is the angle of rotational symmetry?"** Four possible answers are provided: **120°, 90°, 180°,** and **360°.**

The triskelion has rotational symmetry because rotating it by a certain angle will make it look the same. Since the symbol repeats itself after every third of a full rotation, the angle of rotational symmetry is **120°**. This is because 360° (a full rotation) divided by 3 (the number of arms) equals 120°.

Thus, the correct answer is **120°**.

Would you like more details, or do you have any further questions?

Here are 5 related questions:
1. How is rotational symmetry different from reflection symmetry?
2. Can a shape have more than one angle of rotational symmetry?
3. What is the order of rotational symmetry for a square?
4. How would you calculate the rotational symmetry for a regular polygon with 8 sides?
5. Why is rotational symmetry important in art and design?

**Tip:** To find the angle of rotational symmetry, divide 360° by the number of times the shape looks identical during a full rotation.

What is the angle of rotational symmetry?

Determine the angle of rotational symmetry for a triskelion symbol. Learn how to calculate rotational symmetry using the formula: 360° divided by the number of identical rotations. This problem is suitable for students in Grades 5-7.

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