Respuesta :

Answer:

60 degrees

Step-by-step explanation:

A triangle is 180 degrees and there is already 40 and 80 degrees.

So... 180-80-40=60 degrees.

Hope this helps :D

From the question,

X+80+40=180
X+120=180
X=180-120
Therefore X=60 degree ans

Hope this helps you!

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