Question

4 Find the value of the unknown angles.
b
80
50°
90
140
40°
70
80
90
90
90
d
30
120
100
60
50 75​

Answer 1

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b

80

50°

90

140

40°

70

80

90

90

90

d

30

120

100

60

50 75

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1. acute
2. acute
3. right
4. obtuse
5. acute
6. acute
7. right