Q:

Which biconditional is NOT a good definition? A) An angle is straight if and only if its measure is 180. B) A whole number is even if and only if it is divisible by 2. C) A whole number is odd if and only if the number is not divisible by 2. D) A ray is a bisector of an angle if and only if it splits the angle into two angles

Accepted Solution

A:
Out of the choices given, the biconditional that is not a good definition is "a ray is a bisector of an angle if an only it splits the angle into two angles. Hope this helps!