Math Extra Credit Crossword

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Across
  1. 4. the amount of space
  2. 7. An angle of 90°, as in a corner of a square or at the intersection of two straight lines.
  3. 8. part in a hundred
  4. 10. A figure that is formed by two lines that shares a common endpoint
  5. 12. A four-sided Shape
  6. 14. Area The area occupied by a three-dimensional object by its outer surface
  7. 16. Tax. a tax imposed on the sale of goods and services.
  8. 17. a deduction from the usual cost of something, typically given for prompt or advance payment or to a special category of buyers.
  9. 18. a flat two-dimensional closed shape bounded with straight sides.
Down
  1. 1. a line that goes around or encloses a circle.
  2. 2. An angle that measures less than 90 degrees
  3. 3. what is the name of the total space taken up by a flat shape of an object called
  4. 5. An angle which is greater than 90° and less than 180°”
  5. 6. A number that contains a decimal point.
  6. 9. the amount added to the cost price of goods to cover overhead and profit.
  7. 11. the border of an enclosed space.
  8. 13. A three-sided shape that consists of three edges and three vertices.
  9. 15. a whole divided into equal parts