Cornell Notes Template Geometry 1 Unit 2: Reasoning And Proof Page 2
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16Unit 2: Reasoning and Proof
2.1: Conditional statements
If at first you don’t succeed, then try, try again.
Conditional Statement
A statement with ____ parts
A way of writing a conditional statement that clearly showcases
If-then form
the ___________________ and the __________________
Hypothesis
The ______ part of a conditional statement.
Conclusion
The ______ part of a conditional statement.
Examples of Conditional Statements
If you are in Geometry 1, then you will learn about the building
Example 1: Circle the
blocks of geometry.
hypothesis and underline the
conclusion in each conditional
If two points lie on the same line, then they are collinear
statement
If a figure is a plane, then it is defined by 3 distinct points
A line contains at least two points.
Example 2
When two planes intersect their intersection is a line.
Rewrite each
statement in
if…then form
Two angles that add to 90° are complementary.
Label the following statement as true or false. If the statement is false, then give a
counterexample.
If it is Monday, then it is a school day.
Write a true statement.
Write a false statement and provide a counterexample to show that it is false.
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