Answer:
26. B
27. A
28. C
29. A
30. C
Explanation:
26. B. Vertical angles are angles on the opposite sides of an intersection.
27. A. <1 is 75° as per given.
28. Since <1 is supplementary angle to <2, therefore:
<1+<2= 180°
since <1 is 75° then
75° + <2 = 180°
<2 = 180° - 75°
<2 = 105°
29. Take note that, "Vertical angles are always equal to one another". So, because <1 and <3 are vertical angles, they are equal.
<1 = < 3 = 75°
30. Similarly, <2 and <4 are vertical angles, therefore <2 = < 4 = 105°
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