Geometry Worlds

5. the distance around the edges of a shape
10. the space between two lines that start at the same point or the space between two surfaces at the point where they meet
11. a solid object with a polygon base and triangular faces that meet at a point on top
12. a flat pattern that you can fold to form a three-dimensional shape
13. a solid shape with two identical flat ends that are circular or oval and one curved side
14. a shape with a flat, round or oval base and a top that becomes narrower until it forms a point
16. the amount of space inside a shape
17. half of a circle

1. the amount of space inside a three-dimensional object
2. the exact middle point of a circle
3. the distance around the edge of a circle
4. a six-sided shape with six angles
6. the straight line distance from the centre of the circle to its edge
7. a five-sided shape with five angles
8. the line that passes from one side of the circle to the other through the center
9. when two amounts are in balance or harmony with each other based on size or quantity
11. the number representing the ratio of a circle's circumference to its diameter, approximately 3.14
15. a straight line that touches the edge of a circle at just one point without crossing it