crossword-G.MG.1

3. A 2D figure that has 3 sides and 3 vertices
5. the shorter side of a 2D figure
6. a mathematical constant used in math involving circles
7. the amount of space taken up by a 2D figure
9. the perimeter of a circle
10. the longer side in a 2D figure
12. solid figure generated by the straight lines that pass from a circle or other closed curve to a single point
14. The face of an object in which the height is perpendicular to
15. any line segment extending between a circle's center to its perimeter
16. A three-dimensional surface, all points of which are equidistant from a fixed point
18. Amount of space an object takes up

1. A solid object where the base is a polygon and the sides are triangles which meet at the top
2. the sum of the surface areas of all a 3D figures' faces excluding the base of the solid
4. the total area of the surface of a 3D object
6. the distance around a 2D figure
8. A 2D figure that has 4 sides and 4 vertices
9. A solid geometric figure with straight parallel sides and a circular or oval section
11. Vertical distance from the top of an object or figure to its base
13. the set of all points in a plane a given distance from the center
17. A solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms