Not sure exactly what the question is? But this type of figure would be known as a parallelogram
The diagonals will not always bisect opposite angles in the rectangle.
All regular polygons with an even number of angles. All the angles of polygons with an odd number of angles are also equal but there are no "opposite" angles.
If only two sides of one figure are congruent to two sides of another figure, you can say nothing about the opposite angles.
The angles have the same measure. In the reflection the order of the angles are changed from clockwise to counterclockwise.
Most figures.
The diagonals will not always bisect opposite angles in the rectangle.
All regular polygons with an even number of angles. All the angles of polygons with an odd number of angles are also equal but there are no "opposite" angles.
rectangles squares
If only two sides of one figure are congruent to two sides of another figure, you can say nothing about the opposite angles.
The angles have the same measure. In the reflection the order of the angles are changed from clockwise to counterclockwise.
Opposite angles are angles across from each other in intersecting lines. For example, see the figure below:a-> X
Yes, vertical angles are formed by an x. Opposite angles are the angles opposite on the x. For instance...AB X CDAnd and d are opposite angles, so are B and C. This whole figure is called a vertical angle.
A general quadrilateral.
Most figures.
a rectangle
quadrilateral
parrelogram