Find the value of x. An irregular nonagon is shown. Its interior angles are labeled as 130 degrees, 135 degrees, 140 degrees, 150 degrees, 155 degrees, 165 degrees, x degrees, 110 degrees, and 120 degrees.

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?