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The given figure consists of four right-angle triangles aligned at 90-degree intervals around a central point. To determine the rotational symmetry, we need to check how many times the figure looks exactly the same when rotated by different angles around its center.

- **Rotational symmetry** refers to the property that a figure looks the same after a certain degree of rotation.

By inspecting the figure:

1. The shape repeats itself after every 90-degree rotation, which means it has **rotational symmetry of order 4**. This is because after rotating by 90°, 180°, 270°, and 360° (which brings it back to its original position), the figure looks the same.

Thus, the figure **has 4-fold rotational symmetry**.

Would you like more details or explanations? 

Here are 5 follow-up questions to expand on this topic:

1. What is the difference between rotational and reflective symmetry?
2. Can this figure also have reflective symmetry? Why or why not?
3. What is the minimum angle of rotation needed for a figure to match its original position?
4. How do you calculate the order of rotational symmetry for any given figure?
5. Can a figure have both rotational and reflective symmetry?

**Tip:** A figure with rotational symmetry of order \(n\) will look identical after a rotation of \(360^\circ/n\).

Complete the following sentence: The figure below ____ rotational symmetry. (Figure: Four right-angle triangles aligned at 90-degree intervals)

Understand how to calculate the order of rotational symmetry for a figure consisting of four right-angled triangles arranged at 90-degree intervals. Suitable for students in Grades 6-8, this problem explores rotational symmetry concepts and geometry basics.

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