Step-by-step explanation:
Question 1 :
Here in the given figure b and 30° are alternate to each other so it can be name as alternative angle....
b = 30°
Now...
a + 30° = 180° ( being supplementary angle )
a = 180° - 30°
a = 150°
Now the value of c will be 150° being corresponding
angle with a
c = 150°
Question 2 :
z = 60° ( being alternative angle )
Now let's find the value of x.....
here ,
60° + 50° + x = 180° ( the sum of interior angle of triangle is 180°
x = 180° - 110°
x = 70°
Now...
y = 70° ( alternative angle )
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