Across
- 3. an 8 sided polygon
- 4. area: the total area of the surface of a 3D object
- 8. Angle: the angle between a side of a polygon and an extended adjacent side
- 10. a whole number (not a fractional number) that can be positive, negative, or zero.
- 13. is a flat shape with opposite sides parallel and equal in length
- 14. real number that cannot be written as a simple fraction.
Down
- 1. a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.
- 2. a surface of which one end or side is at a higher level than another; a rising or falling surface
- 5. the perimeter of a circle
- 6. an instrument for measuring angles, typically in the form of a flat semicircle marked with degrees along the curved edge.
- 7. the ratio of a circles circumference to its diameter
- 9. a part, share, or number considered in comparative relation to a whole.
- 11. the measure of the distance around the outside of a closed figure
- 12. the amount of space in side a solid shape
- 14. triangle: a triangle with at least two congruent sides.