zach8782
22.03.2021 •
Mathematics
Which of the following reasons would complete the proof in lines 3 and 5?
Definition of parallel.
OTwo lines 1 to same line are parallel.
Definition of right angles.
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Ответ:
<1 = 105° and <2 = 75°
Step-by-step explanation:
The information we have is the 75 degree angle already provided. Using our knowledge on transverses we know a 180 degree angle is a straight line (we happen to have two of these (c and d)). Using the corresponding angle theorem we know angle 2 is equivalent to 75 degrees. Supplementary angles refer to angles that add up to 180 degrees. Angle 1 and 2 are supplementary so from there we solve.
180 - 75 = 105
<1 = 105 degrees