in the given figure, ifx=30 degree , can you ay that AOB is a straight line ? give reason.
someone pls help me
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as the linear pair exist only on a straight line. so,we can say AB is a straight line.
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hey frnd.....
we know that linear angles has a sum of 180°
so....
angle AOC + COD + DOB =180°
2x + 10 + x + 10 + 3x -20 = 180°
6x = 180
x = 30°
so angle AOC = 2(30) + 10 = 60+10 = 70°
angle COD = 30+10 = 40°
angle DOB = 3(30) -20 = 90-20 = 70°
HOPE THIS HELP YOU ☺☺
we know that linear angles has a sum of 180°
so....
angle AOC + COD + DOB =180°
2x + 10 + x + 10 + 3x -20 = 180°
6x = 180
x = 30°
so angle AOC = 2(30) + 10 = 60+10 = 70°
angle COD = 30+10 = 40°
angle DOB = 3(30) -20 = 90-20 = 70°
HOPE THIS HELP YOU ☺☺
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