| 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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| 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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