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Vocab for Activities 1 to 3

Geometry: Riley
Across
a(b + c) = ab + ac
A conjecture that is proven
Points and lines that lie on the same plane
If a = b and b = c then a = c
Two angles across from each other that form an X
A prediction
Organizing the steps and reasons used to justify the steps
Patterns and past events
A statement in if then form
A segment with one endpoint at the center of the circle
a = a
Two angles that add to 180
The clause that follows the then
Interchange the hypothesis and the conclusion
An example that proves the conclusion of a conditional statement is false
Down
Negate the converse statement
If a = b then b = a
Is the statement true or false
Two angles that share the same side
Two angles that add to 90
Logical reasoning
Make a replacement
Negate the conditional statement
A segment with both endpoints on the circle that passes through the center of the circle
Using deductive reasoning to solve a problem
A segment with both endpoints on the circle