zuziolacamons zuziolacamons

04-06-2016
Mathematics

contestada

Vertical angles are
a. never congruent.
b. always congruent.
c. congruent only when they are both obtuse angles.
d. congruent only when they are both acute angles.

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Aliza121 Aliza121

04-06-2016

Are always congruent

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