Question

120 130 140 150
180
170
160
150
150 140 130 120 110 100
100°
CA
+90-
100
:
70
110
50°
B
80
60
140°
70
60 50
50
40
30
40
30
20
20
160
10
bo
10
170
Vz
x
w
o
180°
o
180
(ii)​

Answer 1

Answer:

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