Answer: All relationships between 1 and 2 is see images.
Step-by-step explanation:
Given data,
Check all relationships between 1 and 2
Supplementary angles are two angles whose measures add up to 180° . The two angles of a linear pair , like ∠1 and ∠2 in the figure below, are always supplementary. But, two angles need not be adjacent to be supplementary. In the next figure, ∠3 and ∠4 are supplementary, because their measures add to 180° .
They are equals if the two intersected lines by the transversal are parallel. In the figure, angles 1 and 2 are corresponding. The 1 is external and the 2 is internal. Angles that are on opposite sides of the transversal of two other lines.
So,
see the image A
Angle 1 and angle 2 are complementary if the sum of both the angles is equal to 90 degrees (i.e. angle 1 + angle 2 = 90°) and thus, angle 1 and angle 2 are called complements of each other. In the figure given below, 60° + 30° = 90°.
One is internal and the other external. They are equals if the two intersected lines by the transversal are parallel. In the figure, angles 1 and 2 are corresponding. The 1 is external and the 2 is internal.
So,
see the image B
Two angles are said to form a linear pair if they add up to 180 degrees. Since the sum of angles is not equal to 90°, the angles 50° and 40° do not form a linear pair. Since the sum of angles is equal to 180°, the angles 79° +and 101° form a linear pair.
They are equals if the two intersected lines by the transversal are parallel. In the figure, angles 1 and 2 are corresponding. The 1 is external and the 2 is internal. Angles that are on opposite sides of the transversal of two other lines.
So, see image C
A pair of vertically opposite angles are always equal to each other. Also, a vertical angle and its adjacent angle are supplementary angles, i.e., they add up to 180 degrees.
They are equals if the two intersected lines by the transversal are parallel. In the figure, angles 1 and 2 are corresponding. The 1 is external and the 2 is internal. Angles that are on opposite sides of the transversal of two other lines.
So, see image D
Adjacent angles are two angles that have a common vertex and a common side but do not overlap. In the figure, ∠1 and ∠2 are adjacent angles. They share the same vertex and the same common side.
They are equals if the two intersected lines by the transversal are parallel. In the figure, angles 1 and 2 are corresponding. The 1 is external and the 2 is internal. Angles that are on opposite sides of the transversal of two other lines.
So, see image E
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