Chapter 2: Q5. (page 58)
Name the definition or state the theorem that justifies the statement about the diagram.
If , then and are complementary.

Short Answer
The used definition is the definition of perpendicular lines.
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Chapter 2: Q5. (page 58)
Name the definition or state the theorem that justifies the statement about the diagram.
If , then and are complementary.

The used definition is the definition of perpendicular lines.
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State the hypothesis and the conclusion of each conditional.
If , then
.
State the hypothesis and the conclusion of each conditional.
If , then
.
State which postulate, definition, or theorem justifies the statement about the diagram.

If E is the midpoint of , then .
Provide a counterexample to show that each statement is false. You may use words or draw a diagram.
If , then
Write a definition of a right angle as a biconditional.
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