Question

If angles of a quadrilateral are (2x+10),(x+20),(X+30) and (x-10) then find x

Answer 1

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Answer 2

2x+10+x+20+x+30+x-10=360°

5x+60-10=360

5x+50=360

5x=360-50

5x=310

x=310/5

x=62°