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All right angles are congruent.
All straight angles are congruent.
All zero angles are congruent.
All the angles of a regular polygon are congruent.
Vertical angles (the angles opposite one another when two lines intersect) are congruent.
When a transversal crosses parallel lines:
Corresponding angles are congruent.
Alternative Interior angles are congruent.
Alternative Exterior angles are congruent.
Finally, any angles with the same measure are congruent.
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What is a counter example for the statement congruent angles are always vertical angles?
Vertical angles must necessarily be congruent, however congruent angles do not necessarily have to be vertical angles. An example of congruent angles which are not vertical angles are the 3 interior angles of an equilateral triangle. These angles do not share the same vertex yet they are congruent.
How many congruent angles does a quadrilateral have?
they have 4 congruent angles
Are vertical angles congruent or supplementary angles?
Vertical angles are always, by definition, congruent. Note: If the two vertical angles are right angles then they are both congruent and supplementary.
Two congruent angles are angles that have what?
Two angles that are congruent have the same angle measurement.
A triangle with three congruent angles?
A triangle with three congruent angles
