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Answer:
60 degree
Step-by-step explanation:
Cause the sum of all interior angle of a polygon is 360 degree
130+ 120+ 50
= 300
360- 300 = 60
so, d) 60 degree, is the answer
Answer:
The answer is D)60°
because sum of all angles in quadrilateral is 360°
andd in this case
130°+120°+50°+x=360°
so,x=360-300
=60