rectangle
Sometimes
yes or no
Complimentary angles are a pair of angles where the sum of their degrees equal 90.
opposite or vertical angles
Angles that are always congruent are applesauce angles
All right angles are congruent, and all straight angles are congruent.
vertical angles are always congruent...they are two nonadjacent angles formed by intersecting lines. Vertical angles are congruent..or equal in measure
yes
Opposite angles are congruent in a parallelogram.
No, not all congruent angles are 45 degrees. They only are in complementary congruent angles.
the shape? no, not always. but they are always at least similar figures. but the angles alone are always congruent
quadrilaterals are consecutive and opposite angles always congruent?
A rhombus always have 2 pairs of congruent angles, yes.
vertical angles
right angles
Vertical angles are always, by definition, congruent. Note: If the two vertical angles are right angles then they are both congruent and supplementary.