top of the tree is 172/3 feet above sea level the bottom of the lake is 10 3/4 feet below sea level what is the vertical distance from the bottom of a lake to the top of the tree

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?