The statement "If a ray divides an angle into two supplementary angles, the original angle is a straight angle." is a true statement
This is further explained below.
What are supplementary angles?
Generally, Complementary angles are two angles whose sums, when added together, equal 180 degrees. Always remember that the two angles that make up a linear pair, such as 1 and 2 in the image below, are complementary to one another.
However, for two angles to be complementary, they do not need to be next to one another. In the following illustration, angles 3 and 4 are supplementary given that the sum of their degrees equals 180°.
In conclusion, The assertion that "if a ray splits an angle into two additional angles, the original angle is a straight angle" is one that may be verified as being correct.
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