Question

determine the value of x ​

Answer 1

Answer:

x=180-40 (Angle 180°)

x=140 °

x=140°

Answer 2

since isosceles triangle 2 side are same

= 40+2x=180

= 2x= 180-40

= 2x=140

= x= 70°

now sum of straight line = 180°

therefore = 70+ x = 180

= x = 180-70

= x = 110

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