Question

find the value of x ​

Answer 1

Answer:

Angle ABC :

120+y = 180

y = 180-120

y = 60°

Sum of all angles of triangle is 180°

ATP :

x+x+30+60 = 180

2x+90 = 180

2x = 180-90

2x = 90

x = 90/2

x = 45

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Answer 2

Step-by-step explanation:

In ∆ABC

x+ (x+30)= 120 (exterior angle)

=2x+30= 120

=2x= 120-30

=x=110/2

=x=55°

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