Posted by **janika** on Monday, June 4, 2012 at 5:39pm.

which biconditional is not a good definition?

1. a whole number is odd if and only the number is not divisible by 2

2. an angle is straight if and only if its measure is 180

3. a whole number is even if and only if it is divisible by 2

4. a ray is a bisector of an angle if and only if it splits the angle into two angles

- need help in tis problem -
**Ms. Sue**, Monday, June 4, 2012 at 5:44pm
4.

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