Question

find x
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Answer 1

Answer:

60°=x

Step-by-step explanation:

so we have to first solve all the interior angles

which are 180-given angle

so 80°,60°,100° and 180 - x are interior angles

now sum of all interior angles of a polygon is 360°

so, 80+60+100+180-x=360°

so, 240-x=360-180°

so, 240-x=180

so, 240-180=x

so, 60° = x