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Mrinalmani:
a) 47+x= 180° {linear pair}.....x=180-47=133°
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Hi,
Solution1)
47°+x = 180°(linear pair)
x = 180°-47°
x = 133°
Solution 2)
2x + 30° + 4x = 180° (linear pair)
6x + 30° =180°
6x = 180°-30°
x=150°/6°
x=25°
Solution 3)
3x+68°+x=180°(linear pair)
4x=180°-68°
x=112°/4
x=28°
Solution 4)
Opposite angle of x=x (verticaly opposite angles are equal)
4x + 4x + x = 180°
9x =180°
x =180°/9
x = 20°
THANK YOU
Solution1)
47°+x = 180°(linear pair)
x = 180°-47°
x = 133°
Solution 2)
2x + 30° + 4x = 180° (linear pair)
6x + 30° =180°
6x = 180°-30°
x=150°/6°
x=25°
Solution 3)
3x+68°+x=180°(linear pair)
4x=180°-68°
x=112°/4
x=28°
Solution 4)
Opposite angle of x=x (verticaly opposite angles are equal)
4x + 4x + x = 180°
9x =180°
x =180°/9
x = 20°
THANK YOU
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