Math Vocabulary Crossword

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Across
  1. 4. ________ are flat shapes consisting of straight lines that are enclosed.
  2. 5. type of triangle where exactly two angles are equal.
  3. 7. The plural of "trapezium"
  4. 9. When you bisect a line, a ______ is formed at the point of bisection.
  5. 11. The part of mathematics in which letters and other symbols are used to represent numbers and quantities in formulae and equations.
  6. 14. The _________ Plane
  7. 16. Order of operations
  8. 17. A ______ is a solid where all sides are equal.
  9. 18. The amount of space occupied by an object.
Down
  1. 1. Distance from the base of a triangle to its apex.
  2. 2. In which direction does the x-axis run?
  3. 3. A ______ is a solid with a uniform cross section.
  4. 6. We solve this if we want to find the value of a variable.
  5. 8. The distance around an object.
  6. 10. How steep a line is.
  7. 12. Splitting an angle in halves.
  8. 13. The surface covered by an object.
  9. 15. A triangle has height 8m and base 4cm. A trapezium has height 4cm and the sum of the parallel sides is 700cm. Which shape has the larger area?
  10. 19. ______ brackets