Question

The angles of a hexagon are x+10, 2x+20, 2x-20,3x-50,x+40and x+20. find x

Answer 1

sum of all angles of a hexagon is 720°
x+10 +2x +20 +2x-20+3x-50+x+40+x+20= 720
,10x+20=720
10x=720-20
10x=700
x=70

Answer 2

Sum of all angles of hexagon = 720°

x + 10 + 2x +20 + 2x -20 + 3x - 50 + x + 40 + x + 20 = 720°

10x + 20 = 720

x = 70°

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