given that AOC is a straight line find the value of in the following figure
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Answer:
x=15°
Step-by-step explanation:
3x + (7x-21) + (4x-9)= 180°(angles on a straight line)
3x + 7x - 21 + 4x - 9= 180°
14x - 30= 180°
14x = 180 + 30
x = 210/ 14
x= 15°
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