Maths RBA Crossword

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Across
  1. 1. Occurs when the selling price is higher than the cost price
  2. 2. A line segment that joins any two points on a circle
  3. 4. The process of writing an expression as a product and its factors
  4. 6. The numerator in the formula to calculate speed
  5. 8. Sets which have no elements in common
  6. 10. Any line which touches the circle in exactly one point
  7. 12. A polygon with four sides and four corners
  8. 13. A collection of objects or things
  9. 14. An algebraic expression which contains only two terms
  10. 15. Two lines which are of equal distance from each other at all points
  11. 18. An angle under 90 degrees
  12. 19. The amount of space a body occupies
  13. 20. The point on a shape or angle when two lines touch
  14. 22. The title given to two or more shapes when they are identical in form
  15. 25. Occurs if the selling point is lower than the cost price
  16. 27. A triangle which has only two sides of equal length
  17. 28. A mathematical expression which contains an equal to sign
  18. 29. The shape formed when a circle is divided into four equal parts
  19. 30. The measurement of the distance around the boundary of a figure
  20. 31. The measurement of how far or long something is
Down
  1. 1. A Greek mathematician who discovered a theorem which helps to calculate the length of the hypotenuse of a right angled triangle
  2. 3. An angle over 90 degrees and under 180 degrees
  3. 5. The result of division
  4. 7. An equation with a minimum of one term which is squared
  5. 9. A polygon with three sides and three vertices
  6. 11. The amount of matter in an object
  7. 13. A triangle which has no sides of the same length
  8. 16. The amount of surface within the boundaries of a figure
  9. 17. An equation which contains a variable which is not raised to a power other than 1
  10. 21. A triangle in which all sides are of the same length
  11. 22. The boundary of a circle
  12. 23. A quadrilateral which has atleast one pair of parallel sides
  13. 24. The denominator in the formula for speed
  14. 26. A branch of mathematics that deals with shapes, angles, dimensions etc.
  15. 30. A closed shape