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Step-by-step explanation:
a) AOC + BOC = 180°
9x = 180°
x = 20
AOC = 4 * 20 = 80°
b) 100° From above
c) 80° linear pair
d) 100° linear pair
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Answered by
1
Answer:
AOC = 80°
BOC = 100°
COD = 80° (Vertically Opposite Angle)
AOD = 100° (Vertically Opposite Angle)
Step-by-step explanation:
The figure is V.O.A. (Vertically Opposite Angle)
AOC + BOC = 180°
9x = 180°
x = 20°
AOC = 4 * 20 = 80°
Also, BOD = 80°
Then (360 - 80 * 80)° = 200°
Then, BOC = (200 / 2)° = 100°
Also, AOD = 100°
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