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1. Two flat surfaces intersect to form a(n) _______________.
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2. A flat surface is a(n) ____________.
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3. Two lines intersect to form a(n) _______________.
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4. Two points determine a(n) ____________.
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5. There are only a finite number of lines that can be drawn through a given point.
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Through a given point, one may draw an infinite amounof lines.
6. A midpoint ____________ a line segment.
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7. Which of the following is the point where an angle originates?
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8. Lines that form right angles are called _________________.
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9. A pair of angles having a sum equal to a straight angle are supplementary.
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10. An angle that is less than a straight angle but greater than a right angle is a(n) ____________ angle.
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11. The term "oblique" can _____________ be used to describe a right angle.
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12. The size of an angle is determined by ____________________.
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13. 1 /360 of a circle is equal to ________ degree(s).
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14. The sum of the angles of a triangle is equal to ______________.
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15. The compliment of a 37 degree angle is ______________.
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16. A triangle with no two sides equal is __________________.
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17. A triangle with two sides equal is _________________.
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18. A right triangle may also be obtuse.
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19. An angle with 90 degrees is _____________.
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20. If two lines are perpendicular, they form at the point of intersection _________________.
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21. If the sum of two angles is an obtuse angle, at least one of the angles must be _______________.
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22. An obtuse triangle may have only one obtuse angle.
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23. The distance around a circle is the __________________.
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24. A geometric statement that is not self-evident but proved by a chain of reasoning is a(n) _______________.
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25. A statement of beginning facts about lines, angles, figures and other matters to be used in a proof is known as the ________________.
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26. The definitions, axioms and theorems used to support each statement in a formal two column proof are called the __________________.
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27. A geometric statement that is easily deduced from a theorem is a corollary.
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28. The arc that represents one quarter of a circle is called a(n)_______________.
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29. The converse of a theorem is _____________true.
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30. Two parallel lines and a transversal can ____________ form a triangle.
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