geometry

3. a three-dimencional figure having six matching square sides
4. a straight line segment whose endpoints both lie on a circular arc
8. a space figure having a circular base and single vertex
9. a space figure with a square base and 4 triangle-shaped sides
10. area the total area of all the faces of a figure
12. a measure of how much space a space figure takes up
13. a 4-sided space figure
14. a "pie-slice" part of a circle - the area between two radiuses and the connecting arc of a circle

1. the distance around the edge of a circle (or any curvy shape)
2. the shape of a particular two-dimensional „slice” of a space figure
5. the region between two concentric circles
6. a line that intersects a curve at a minimum of two distinct points
7. the distance from one point on a circle through the center to another point on the circle
10. space figure having all of its points at the same distance from its center
11. a set (sometimes called a universe) with some added structure