angle of a quadrilateral are 30,50,60 . find the forth angle
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Answered by
2
Answer:
220
Step-by-step explanation:
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Answered by
1
Step-by-step explanation:
Sum of angles of quadrilateral=360°
30°+50°+60°+a=360°
140°+a=360°
a=360°-140°
a=220°
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