Question

150 140 130 120 110 100 90 80 70 60 50 40 30 30
10
20
30
40
5
30 40 50 60 70 80 90 100 110 120 130 140 150
140
100
D
50
(7) Using the inner (anti-clockwise)
scale of the protractor (shown in Fig.),
the measure of Zbis
(b) 60°
(c) 140
(d) 100°
40
E
180 170 160
20 10 0
co 160 170 180
bc
d
a
180
B​

Answer 1

Answer:

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Answer 2

Answer:

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Step-by-step explanation:

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