Adjacent, Vertical, Supplementary, and Complementary Angles

Adjacent, Vertical, Supplementary, and Complementary Angles

Adjacent, Vertical, Supplementary, and Complementary Angles Adjacent angles are side by side and share a common ray.

45 15 These are examples of adjacent angles. 80

45 35 55 85

130 20 50 These angles are NOT adjacent. 100

50 35 35

55 45 When 2 lines intersect, they make vertical angles.

75 105 105 75 Vertical angles are opposite one

another. 75 105 105 75

Vertical angles are opposite one another. 75 105

105 75 Vertical angles are congruent (equal). 150 30

30 150 Supplementary angles add up to 180. 40 120

60 Adjacent and Supplementary Angles 140

Supplementary Angles but not Adjacent Complementary angles add up to 90. 30

40 60 Adjacent and Complementary Angles 50

Complementary Angles but not Adjacent Practice Time! Directions:

Identify each pair of angles as vertical, supplementary, complementary, or none of the above. #1

120 60 #1 120

60 Supplementary Angles #2

30 60 #2 30

60 Complementary Angles #3 75

75 #3 Vertical Angles 75

75 #4 40

60 #4 40 60

None of the above #5 60 60

#5 60 60 Vertical Angles

#6 135 45 #6

135 45 Supplementary Angles

#7 25 65 #7

25 65 Complementary Angles #8

90 50 #8

90 50 None of the above Directions:

Determine the missing angle. #1 ? 45

#1 135 45

#2 ? 65 #2

25 65 #3 ? 35

#3 35 35 #4

? 50 #4 130

50 #5 ? 140

#5 140 140 #6

? 40 #6 50

40

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