Chapter 7 Crossword

3. the sum of the areas of its faces.
6. the line segment where two faces intersect.
7. the space inside a 2-dimensional figure.
8. a shape or figure that only has two measurable dimensions: length and width.
10. divide figure into known shapes
11. corners of polygons
12. flat polygon-shaped surface.
14. combine known shapes to make a figure
16. a polygon with an area of 1⁄2bh
18. a two-dimensional shape in geometry that has four sides, four vertices, and four angles
19. a three-dimensional figure made of triangular faces and one base.
20. the point where several edges meet.
21. next to each other.
22. a three-dimensional figure made of a triangular faces and base.
24. the number of cubic units needed to fill the prism.
25. a three-dimensional figure made of faces.

1. a solid figure or an object or shape that has three dimensions— length, width, and height.
2. a quadrilateral with only one pair of opposite sides that are parallel.
4. a quadrilateral with both pairs of opposite sides parallel and equal in length.
5. a plane figure pattern that makes a polyhedron or a solid shape when folded.
9. a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
13. a three-dimensional figure made of triangular faces and a square base.
15. a quadrilateral with 2 pairs of parallel lines, perpendicular lines, adn 4 right angles.
17. a quadrilateral with two pairs of adjacent sides that are equal in length.
23. a many-sided figure