This topic focuses on calculating the volumes of circular 3D shapes at an advanced level, specifically spheres, cones, and cylinders. The problems involve computing formulas for volume using given dimensions, where the answers require applying the π value. Each question offers multiple choice options, likely to test the student's ability to use the correct volume formula based on shape and dimensions provided (e.g., radius, height). This is part of a broader curriculum on the volume and surface area of complex 3D shapes, designed to enhance understanding and application skills in geometry.