Vocabulary

3. A round shape where all points are equidistant from the center
4. A four-sided figure with equal sides and all right angles
7. The line that passes through the center of the circle, connecting two points on its boundary
11. The measure of space inside a 2D shape
13. A quadrilateral with one pair of parallel sides
14. The total distance around a circle
16. A triangle with two sides of the same length
17. A shape with three sides and three angles

1. A solid object with two identical, parallel faces connected by parallelogram sides
2. A four-sided shape with opposite sides equal and all angles 90 degrees
5. A polygon with six sides and six angles
6. A shape that is half of a circle
8. A triangle with all sides and angles equal
9. A polygon with five sides and five angles
10. The distance from the center to any point on the circle
12. The amount of space occupied by a 3D object
15. A 3D shape with two circular bases and a curved surface connecting them