The value of x is 56 and the value if the unknown angle is 106°
What are angles on a straight line?
Angles on a straight line relate to the sum of angles that can be arranged together so that they form a straight line. The law of angle on a straight line states that the sum of angle on a straight line is 180°
This means that (2x-6)°+74= 180
(2x-6)°= 180-74
(2x-6)° = 106
add 6 to both sides
2x= 106+6
2x= 112
x= 112/2
x= 56
therefore the unknown angle = 2(56)-6 = 112-6= 106°
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