Question

In the given figure , AOC is a line, find x. ​

Answer 1

3x+60= 180 [linear angle]
3x = 120
x = 120/3 = 40

Answer 2

Answer:

In the given figure,

angle(AOB) + angle(COB) = 180° (Linear Pair)

60° + 3x = 180°

3x = 180° - 60°

3x = 120°

x = 120°/3

x = 40°

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