Question

Find the value of the exterior aangle x

Answer 1

Answer:

120

Step-by-step explanation:

As 50+70=120

And 180-120=60

180-60=120

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Answer 2

Answer:

x=120°

Step-by-step explanation:

let the third angle of the triangle be y

70°+50°+y=180°

120°+y=180°

y=180°-120°

y=60°

angle y + angle x=180° (linear pair)

60°+x=180°

x=180°-60°

x=120°