Given that and are straight lines, find the values of the unknowns in each of the following figures.
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Step-by-step explanation:
32 + 4a+84=180(straight angle)
= 116 + 4a= 180
= 4a = 180-116
=4a = 64 (ans)
angle AOC= angle AOE+EOC
= 32+64
= 96
angle BOC=angle AOC(vertically opposite angles)
2b=96
hence 4a=64 and 2b=96.
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