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Across 4. A mathematical reasoning is called ________ 7. Angles or figures that have the same size and shape are _________ 8. An angle that adds up to 180 degrees 9. A part of a line, with one endpoint, that continues without end in one direction 12. An angle that has a measure greater than 0 and less than 90 degrees is a ________ 14. What are numbers when they're followed by a certain order? 16. What kind of triangle has two congruent sides? 19. What are angles called when they are side by side and have a common vertex and ray? 20. What is the answer in a subtraction problem called? 21. A number that names a part of a whole or a part of a group 28. Two polygons are _______ if their corresponding sides are proportional 29. An algebraic or numerical sentence that shows that two quantities are equal 30. The number that tells how many times a base is to be used as a factor 31. What is the order of operations? 32. A figure formed by two rays that have a common endpoint 33. An exact location in space, usually represented by a dot 34. A method in finding the product of polynomials is ______ 35. When a pair of opposite congruent angles are formed where two lines intersect they are __________

Down 1. What is a closed plane figure formed by three or more line segments called? 2. When a fraction is multiplied by its _______ the result is equal to 1 3. to divide into two equal parts is _____ 5. An angle that can be added up to a total of 90 degrees 6. What are lines in a plane that never intersect called? 10. What is a quadrilateral with one pair of parallel sides? 11. what is a line that intersects two other lines? 13. What kind of property is (15+33)+53=15+(33+53)? 15. The set of whole numbers and their opposites are called ______ 17. An angle outside the triangle, the sum of the two non-adjacent interior angles 18. What kind of numbers are they when they have the same value? 22. A parallelogram with four congruent sides 23. What is one part in a hundred called? 24. A polygon with three sides is a ________ 25. The bottom of a plane figure or three-dimensional figure is called a _______ 26. An integer, a variable, or a product of an interger and variable 27. A letter or symbol that stands for one or more numbers is called a __________