## Error message

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• Deprecated function: Methods with the same name as their class will not be constructors in a future version of PHP; ctools_context_required has a deprecated constructor in require_once() (line 127 of /home/tusa/public_html/sites/all/modules/ctools/ctools.module).
• Deprecated function: Methods with the same name as their class will not be constructors in a future version of PHP; ctools_context_optional has a deprecated constructor in require_once() (line 127 of /home/tusa/public_html/sites/all/modules/ctools/ctools.module).
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# Inverses, Contrapositives, and Indirect Reasoning

Worksheet (Geometry)

## Inverses, Contrapositives, and Indirect Reasoning Worksheet

This worksheet contains problems on inverses, contrapositives, equivalent statements, and indirect reasononing. Problems include finding inverses and contrapositives of given statements.

## Lesson:

2. To find inverses and contrapositives.

6

2

Yes

## Samples:

Inverses & Contrapositives

Complete:

1) Given Statement: If p, then q.
Contrapositive: If not _____ , then not _____.
Converse: : If ______, then ______.
Inverse: If not _____, then not _____.

2) Given: A true conditional.
a) Must its converse be true?
b) Must its inverse be true?
c) Must its contrapositive be true?

Write the contrapositive and inverse of each statement.

4) If a polygon has six sides, then it is a hexagon.

6) If a polygon is a triangle, then the sum of the measures of its angles is 180.