Mathematics, 05.02.2020 07:01 Ashleyvasquez2261

Which biconditional is not a good definition?
a. an angle is a right angle if and only if its measure is 90°
b. an angle is acute if and only if its measure is less than 90°
c. two angles are congruent if and only if its measure are the same.
d. an angle is obtuse if and only if its measure is greater than 180°

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Which biconditional is not a good definition?
a. an angle is a right angle if and only if its...