棱柱的体积与表面积（GeoGebra动态演示）
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该范例通过GeoGebra动态展示棱柱（Prism）的体积与表面积计算。核心数学概念包括棱柱的几何结构、体积公式（底面积×高）以及表面积（各面面积之和）。作图要点：使用Polygon命令创建底面多边形，Prism命令生成棱柱，Net命令展开棱柱表面；对象包括n（棱数）、r（外接圆半径）、h（高）等参数，以及多个顶点（A、B、C等）和面（faceABLK、faceBCML等）。适合中学几何教学，帮助学生直观理解棱柱的展开图与体积、表面积公式的推导。
GeoGebra 命令及参数
Polygon(A, B, n) → poly1, a, k, C, D, E, F, G, H, I, J, b, c, d, e, f, g, i, jPrism(poly1, h) → l, K, F_2, faceABLK, faceBCML, faceACMK, face1, face3, face5, face7, face9, face11, L, face13, faceKLM, edgeAK, edgeBL, edgeCM, edge1, edge8, edge15, edge22, edge29, M, edge36, edge43, edgeKL, edgeLM, edgeKM, edge2, edge9, edge16, edge23, edge30, Z, edge37, edge44, E_1, J_1, O_1, T_1, A_2Net(l, m) → o, N, G_2, Q, R, S, T, U, V, C_1, D_1, H_1, O, I_1, M_1, N_1, R_1, S_1, W_1, Z_1, D_2, E_2, I_2, P, J_2, W, B_1, G_1, L_1, Q_1, V_1, C_2, H_2, faceNOP, A_1, faceNORQ, faceOPTS, faceNPUV, face2, face4, face6, face8, face10, face12, face14, F_1, faceQRW, edgeNO, edgeOP, edgeNP, edge4, edge11, edge18, edge25, edge32, edge39, K_1, edge46, edgeNQ, edgeQR, edgeOR, edgeOS, edgeST, edgePT, edgePU, edgeUV, edgeNV, P_1, edge5, edge6, edge7, edge12, edge13, edge14, edge19, edge20, edge21, edge26, U_1, edge27, edge28, edge33, edge34, edge35, edge40, edge41, edge42, edge47, edge48, B_2, edge49, edgeRW, edgeQW, edge3, edge10, edge17, edge24, edge31, edge38, edge45