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Answer:
Angle 1 is 75 degrees (c) & Angle 2 is 105 degrees (e)
Sum of 6 & 7 is 180
Step-by-step explanation:
75 degrees is directly across from angle 1, meaning they are the same. These are vertical angles.
Angle 2 & 75 degrees are supplementary angles, meaning they add up to 180 degrees.
Knowing that, we can do 180 - 75 = 105
6 & 7 are also supplementary, meaning that they are equal to 180 (a straight line).
Hope this helped. :)