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9 Cards in this Set

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  • Back
Can be proved similar if their verticies can be paired so that corresponding angles are congruent and coressponding sides are proportional
similar polygons
For similar polygon the ratio of the length of the two corresponding sides.
scale factor
The ratio of x to y is x/y and is sometimes written x:y
An equation stating that two ratios are equal. 1st and last terms are the extremes, middle terms are mean.
A circle diagram that may be used to represent a conditional.
Venn Diagram
Statements that are either both true or false
Logically equivalent statement
If not p, then not q
a proof in which you assume temporarily that the conclusion is not true and then deduce a contradiction.
Indirect proof
If not q, then not p.