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Across 2. a quadrilateral with four sides of equal length and four angles of 90 degrees 3. either of the two parts into which a plane is divided 5. the value of a function, f( x ), corresponding to the point x 8. a number which multiplies some quantity 11. to draw one figure within another figure so that the inner lies entirely within the boundary of the outer, touching it at as many points as possible 13. a quadrilateral with four 90 degrees angles, with opposite sides of equal length and two sides longer than the other two 14. in a triangle that has one angle of 90 degrees, the ratio of the length of the side next to an angle less than 90į divided by the length of the hypotenuse 15. a flat surface that is infinitely large and with zero thickness 16. the length of the outer edge of a shape 19. a straight line having functions of a mirror in a symmetry 20. a function that moves every point a constant distance in a specified direction 21. a flat shape with four straight sides 23. a motion of a certain space around a fixed point 24. a mathematical statement that two amounts, or two symbols or groups of symbols representing an amount, are equal 25. straight line joining two not adjacent corners of a polygon 26. an expression that has two terms that are not the same 27. a transformation characterized by a scale factor, can be horizontal or vertical 31. increasing the same amount of times other value does 34. the set of all possible values it can produce 36. an answer to a mathematical problem 37. in a triangle that has one angle of 90 degrees, the ratio of the lenght of the side next to an angle less than 90įdivided by the lenght of the side opposite an angle 39. to draw a circle that surrounds it and touches each of its corners 41. a drawing that shows lines or curves formed with two sets of measurements or amounts, or a such a drawing produced by the set of points that solve an equation 43. the distance between .............. lines is the same all along their length 44. the complete set of values, which can be used as inputs and produce a result that is a real number, for the independent variable 46. the number that shows how many times a number, called the base, has to be multiplied by itself to produce another number 47. a statement indicating that the value of one quantity or expression is not equal to another 48. a method of solving systems of equations, in which you determine one unknown from one equation and put the second side of this equation in a place of this unknown in the second equation

Down 1. a theory, which will be proved using mathematical theorems 2. a solid shape like a round ball 4. an equation with a result that when it is put on a graph forms a straight line 6. in a triangle that has one angle of 90 degrees, the ratio of the lenght of the side opposite an angle less than 90įdivided by the lenght of the side next to an angle 7. a polygon with eight straight sides 8. having the same shape, or having the same shape as the mirror image of the other 9. the decomposition of an object into a product of other objects, or factors, which when multiplied together give the original 10. an equation that includes an unknown value that is multiplied by itself only once, and does not include an unknown value multiplied by itself more than once 12. decreasing the same amount of times other value increase 15. an expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, multiplication 17. a polygon with five straight sides 18. a polygon with six straight sides 22. the distance from zero of a number on a number line 26. a straight that cuts an object into two equal parts 28. a rotation or translation of a plane figure that leaves the figure unchanged although its position may be altered 29. a quadrilateral with two distinct pairs of equal adjacent sides 30. diagram showing for which arguments value of a function is positive or negative 31. delta 32. a number or quantity that when multiplied by itself a certain number of times equals a given number or quantity 33. a flat shape with three straight sides 35. an amount of space having length, height, and width 38. the operation of exchanging all points of a mathematical object with their mirror images 40. the lenght of a straight line joining the centre of a circle to its edge or the centre of a sphere to its surface 42. a deductive argument for a mathematical statement 45. in a triangle that has one angle of 90 degrees, the ratio of the length of the side opposite an angle less than 90į divided by the length of the hypotenuse