Question

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

Answer 1

we know that the hexagon have total angle of
720 degrees
so
x+10+2x+20+2x-20+3x-50+x+40+x+20=720
11x +90-70=720
11x+20=720
11x=720-20=700
11x=700
x=700/11= do it yourself