Which biconditional is a good definition?
a. two lines are parallel if and only if they never...
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Mathematics, 18.09.2019 07:00 ProfS7160
Which biconditional is a good definition?
a. two lines are parallel if and only if they never intersect
b. four points are non-coplanar if and only if they have the same measure
d. an angle is obtuse if and only if it's measure is greater than ninety degrees
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