Across
- 2. half of the product of its height and sum of its bases
- 6. a mathematical rule expressed in symbols
- 8. shapes like rectangles, rhombuses, and squares
- 9. the area out side the shape
- 11. how tall a shape is
Down
- 1. made up of two dimensional shapes
- 3. shape with all the same sides
- 4. the measurement of the inside of a shape
- 5. closed figure in a plane that is made of three or more segments that intersect only at there end points
- 7. bottom of a shape
- 10. two triangles put together