Chapter 2 Geometry Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Adjacent Angles | Two angle that share a common vertex and common side, but no common interior points
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| Theorem | A true statement that follows from other true statements
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| Hypothesis | The "if" part of an if-then statement
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| Transitive Property | If AB=BC and BC=DE, then AB=DE
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| Bisect | To divide into two equal halves
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| Angle Bisector | A ray that divides and angle into two equal angles
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| Complementary Angles | Two angles whose sum is 90 degrees
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| Deductive Reasoning | Uses facts, definitions, properties, and laws of logic to make a logical argument
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| Supplementary Angles | Two angles whose sum is 180 degrees
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| Conclusion | The "then" part of an if-then statement
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| Conditional Statement | An If-Then statement
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| Linear Pair | Two adjacent angles whose non-common side is the same line
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| Segment Bisector | A segment, ray, line, or plane that intersects a segment at its midpoint
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| Symmetric Property | If AB=DE, then DE=AB
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| Vertical Angles | Two non-adjacent angles whose sides are formed by 2 intersecting lines
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| Vertex | The point where two sides on an angle meet
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| Congruent Segments | Segments with the same length
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| Reflexive Property | AB=AB
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| Addition Property | If x = 6, then x + 2 = 6 + 2
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| Subtraction Property | If m = 5, then m - 3 = 5 - 3
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| Multiplication Property | If n = 2, then 3 ∙ n = 3 ∙ 2
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| Division Property | If 8 = t, then 8 ÷ 2 = t ÷ 2
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| Substitution Property | If n = 3 and y = 4∙ n, then y = 4 ∙ 3
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| Linear Pair Postulate | Linear pairs are supplementary.
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| Vertical Angles Theorem | Vertical angles are congruent.
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| Midpoint | The point on a segment that divides it into two, congruent segments.
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| Midpoint Formula | The midpoint of (a,b) and (c,d) is:
( [a+c]/2 , [b+d]/2 )
Average the x-coordinate and average the y-coordinates.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
HowardGeometry
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