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Chapter 2: Q3 (page 40)
Justify each statement with a property from algebra or property of congruence.
If then .
From the property of congruence, it is proved that .
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State which postulate, definition, or theorem justifies the statement about the diagram.
State which definition, postulate, or theorem justifies the statement about the diagram.
If D is the midpoint of , then .
Rewrite each pair of conditionals as a biconditional.
If B is between A and C, then 
.
If 
, then B is between A and C.
Provide a counterexample to show that each statement is false.
Statement: If 
, then 
.
Provide a counterexample to show that each statement is false. You may use words or draw a diagram.
If a number is divisible by 4, then it is divisible by 6.
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