Chapter 2: Q10. (page 57)
Name the definition or state the theorem that justifies the statement about the diagram.
If , then .

Short Answer
The used definition is the definition of perpendicular lines.
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Chapter 2: Q10. (page 57)
Name the definition or state the theorem that justifies the statement about the diagram.
If , then .

The used definition is the definition of perpendicular lines.
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Provide a counterexample to show that each statement is false. You may use words or draw a diagram.
If , then
State the number that is paired with the bisector of .

Justify each statement with a property from algebra or property of congruence.
If then .
Copy everything shown and write a two-column proof.

Given:
Prove:
State the converse of each conditional. Is the converse true or false?
If today is Friday, then tomorrow is Saturday.
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