Geometry-Chapter 2 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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| an unproven statement that is based on observations | conjecture
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| a process that includes looking for patterns and making conjectures | inductive reasoning
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| a specific case that shows a conjecture is false | counterexample
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| a type of logical statement that has two parts, a hypothesis and a conclusion | conditional statement
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| the statement formed by exchanging the hypothesis and conclusion of a conditional statement | converse
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| the equivalent statement formed by negating the hypothesis and conclusion of the converse of a conditional statement | contrapositive
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| the statement formed by negating the hypothesis and conclusion of a conditional statement | inverse
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| the form of a conditional statement that uses the words "if" and "then". The "if" part contains the hypothesis and the "then" part contains the conclusion. | if-then form
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| the opposite of a statement | negation
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| two statements that are both true or both false | equivalent statement
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| two lines that intersect to form a right angle | perpendicular lines
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| a statement that contains the phrase "if and only if" | biconditional statement
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| a process that uses facts, definitions, accepted properties, and the laws of logic to form a logical argument | deductive reasoning
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| a logical argument that shows a statement is true | proof
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| a type of proof written as numbered statements and corresponding reasons that show an argument in a logical order | two-column proof
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| a statement that can be proven | theorem
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| If the hypothesis of a conditional statement is true, then the conclusion is also true. | Law of Detachment
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| This law of logic allows you to draw conclusions from two conditional statements when the conclusion of one is the hypothesis of the other. | Law of Syllogism
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| A rule or statement that is accepted as true without proof. | postulate
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| A mathematical sentence formed by placing the symbol “=” between two expressions. | equation
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| Equations that have the same solutions. | equivalent equations
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| Two adjacent angles whose non-common sides are opposite rays. | linear pair
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| Two angles whose measures have the sum of 90°. | complementary angles
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| Two angles whose measures have the sum of 180°. | supplementary angles
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| Two angles whose sides form two pairs of opposite rays. | vertical angles
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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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aelohaus
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