Connexus Biconditionals and definitions quiz:
1. B It is not. The statement is not reversible.
2. B Planes are parallel if and only if they do not intersect.
3. A No, it is not. The statement is not precise. A ray or a point could be part of a line.
4. C A point that devices a segment into two congruent segments is a midpoint.
5. B No it is not. A straight angle has a measure greater than 90, but it is not an obtuse angle.
6. A If two segments are congruent, then they have the same length.
7. D Yes, it is. When the definition is separated into two conditional statements, both the statements are true.
8. A The letter I is a counterexample.
9. C Yes it is. The statement is precise and reversible.
10. B A polyglob has three solid-colored dots and three legs.
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