Geometry

4. A closed figure with straight sides
7. A closed figure with three sides
10. Area The sum of the areas of all the faces of a three-dimensional shape
11. The amount of three-dimensional space occupied by a solid
13. The amount of space enclosed within a two-dimensional shape
16. A part of a line starting at a point and extending infinitely in one direction.

1. Lines Lines that intersect at a right angle (90 degrees)
2. The figure formed by two rays sharing a common endpoint, called the vertex.
3. A precise location in space, often represented by a dot and named with a letter.
5. Segment A portion of a line with two defined endpoints.
6. A flat surface that extends infinitely in two dimensions.
8. A quadrilateral with all sides equal
9. A straight path extending infinitely in both directions, with no thickness.
12. Angle An angle between 90 and 180 degrees.
14. Angle An angle exactly 90 degrees.
15. Angle An angle less than 90 degrees.