CUET Preparation Today
In the figure AOB is a straight line then the value of $x$ is
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60° 50° 40° 70° |
40° |
Note: An angle on straight line is always equals to 180° Hence, Sum of all given angles = 180° $(2x – 10)° + (x + 10)° + (x + 20)° = 180°$ $4x + 20° = 180°$ $x = 40°$ |
