Exploring Cross Sections of Pyramids
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This example demonstrates how to observe the cross-sectional shapes of pyramids by slicing them with different planes. Key mathematical concepts include cross-sections of pyramids in solid geometry. Using GeoGebra commands such as PointIn, Polygon, Translate, and IntersectPath, the dynamic changes in the cross-sections of the pyramid are displayed. Suitable for high school mathematics education and students learning solid geometry.
GeoGebra Commands & Parameters
PointIn(xOyPlane) → BPointIn(xOyPlane) → APolygon(A, B, 4, xOyPlane) → poly1, a, b, c, d, C, DPyramid(poly1, E) → e, faceABE, faceBCE, faceCDE, faceADE, edgeAE, edgeBE, edgeCE, edgeDETranslate(xOyPlane, Vector[(0, 0, 3)]) → fIntersectPath(f, e) → poly2, poly3, g, h, i, j, k, l, m, n, G, H, I, J, K, L, M, NPointIn(poly2) → Pointpoly2PointIn(poly1) → Pointpoly1Distance(A, B) → distanceABDistance(H, G) → distanceHGPerimeter(faceABE) → perimeterfaceABE