Volume Calculation with Circular and Semicircular Cross-Sections

This example demonstrates how to construct a solid geometry model involving circles, triangles, and semicircles using GeoGebra for volume calculation. Core mathematical concepts include volume integration in calculus, properties of circles and triangles in analytical geometry, and geometric construction of polyhedra. Key construction steps involve using commands like Point, Intersect, Circle, Segment, CircumcircleArc to build geometric objects, with sliders for dynamic parameter adjustment. Suitable for high school and above students learning applications of solid geometry and calculus.