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It means they are the same, but they could be rotated differently, or the arms of one may stretch longer than the other. Just as long as the measurement of the angle is the same. e.g., two right angles (90 degree angles), but one of them has the arms facing up and to the right, and one of them facing so that the arms are pointing down and to the left.
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Two congruent angles are angles that have what?
Two angles that are congruent have the same angle measurement.
What does it mean for angles and segments to be congruent?
Two angles are congruent if they both measure exactly the same number of degrees. Two line segments are congruent if they both have exactly the same length.
If a triangle has two congruent angles is it isosceles?
Yes, because of the base angles theorem converse: If two angles in a triangle are congruent, then the sides opposite the angles are congruent.
Are two triangles congruent if two angles of one of the triangle are congruent to two angles of the other triangle?
yes
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.
