Math

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