Question

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

Answer 1

Step-by-step explanation:

sum all angles of hexagon =720 degree

here, sum of angles=X+10+x+20+2x-20+3x-50+x+40+x+20=9x+20

but,sum=720

then,

9x+20=720

9x=700

x=700/9