https://file.aiquickdraw.com/mathbot/file/1729912906182sjnzdr5m.jpg

For these questions:

### Question 16:
The image shows a circle with a shaded region that is exactly half of the circle. This shaded region represents **a semicircle**, which is a half of a circle.

- **Answer**: Semicircle

### Question 17:
The image shows a circle with two radii that meet at the center, creating an angle within the circle. This is characteristic of a **central angle**, as it’s an angle with its vertex at the center of the circle.

- **Answer**: Central angle

Let me know if you'd like a deeper explanation on these terms or have any other questions!

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### Follow-Up Questions:
1. What is the difference between a central angle and an intercepted arc?
2. How do you calculate the area of a segment in a circle?
3. What are the properties of a semicircle?
4. Can a segment in a circle be larger than a semicircle?
5. How is the length of an intercepted arc calculated?

### Tip:
In circles, a central angle always intercepts an arc, and this arc's length can be calculated using the circle’s radius and the angle’s measure.

Match the picture with the correct words for Question 16 and Question 17.

Understand key circle geometry concepts with this guide on semicircles and central angles. This exercise is suitable for students in Grades 7-9 and explores properties of semicircles, segments, and intercepted arcs, focusing on accurate identification in circle diagrams.

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