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Chapter 2: Q7 (page 40)
Justify each statement with a property from algebra or property of congruence.
From the property of Algebra, it is proved that .
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State which postulate, definition, or theorem justifies the statement about the diagram.
If is the bisector of , then .
It is known that has a supplement, but can’t have a complement. Name one possible measure for .
State the hypothesis and the conclusion of each conditional.
Combine the conditionals in Exercises 5 and 6 into a single biconditional.
Justify each statement with a property from algebra or property of congruence.
If then .
State which definition, postulate, or theorem justifies the statement about the diagram.
If D is the midpoint of , then .
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