Which pair of angles must be supplementary
2 answers:
Answer:
B.
Step-by-step explanation:
We have been given an image of intersecting lines. We are asked to find the pair of angles that must be supplementary.
We know that two angles are supplementary when they add up-to 180 degrees.
Upon looking at our given image, we can see that the measure of angle 2 and measure of angle 5 is 90 degrees. So these angles will add up-to 180 degrees, therefore, option B is the correct choice.
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This is possible as shown in the illustration in the attached picture. By definition, a ray has a point on one end, and extending infinitely as a line on the other end. The common ray is ED with points A and P located in between. As you can see, the intersection of the two angles is created by two parallel segments and a traversing ray ED.
