Across
- 2. A three-dimensional geometric shape that tapers smoothly from a flat base to a point called the apex or vertex
- 3. A quadrilateral whose four sides all have the same length.
- 6. A shape consisting of all points in a plane that are at a given distance from a given point, the centre.
- 8. A quadrilateral with four right angles.
- 9. A four-sided polygon, having four edges and four corners.
- 12. A three-dimensional solid, one of the most basic of curvilinear geometric shapes.
- 13. An infinitely long object with no width, depth, or curvature
- 14. The measure of a region's size on a surface.
Down
- 1. A quadrilateral that has at least one pair of parallel sides
- 2. The perimeter of a circle or ellipse.
- 4. A regular quadrilateral, which means that it has four equal sides and four equal angles.
- 5. A circle is any straight line segment that passes through the center of the circle
- 7. A simple quadrilateral with two pairs of parallel sides
- 10. An angle is the figure formed by two rays,
- 11. A polygon with three edges and three vertices.
