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Exploring Quadrilaterals by byui

Exploring Quadrilaterals by byui
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2013-02-11 23:26
PolygonAngleGeometric Construction
In collections Properties of Polygons
This example demonstrates the properties and relationships of different types of quadrilaterals. It involves core mathematical concepts such as quadrilateral classification, side lengths, angles, and polygon construction. GeoGebra commands and objects like Line, Segment, Angle, Distance, Point, Mirror, Intersect, Polygon, Circle, and OrthogonalLine are used in the construction. Suitable for middle school and above students for geometry learning and exploration.

GeoGebra Commands & Parameters

  1. Line(D, C) → f
  2. Line(B, C) → g
  3. Segment(B, C) → j
  4. Segment(C, D) → k
  5. Line(B, D) → m
  6. Segment(E, F) → p
  7. Segment(B, D) → t
  8. Angle(B, C, D) → γ
  9. Distance(B, C) → distanceBC
  10. Distance(C, D) → distanceCD
  11. Distance(D, B) → distanceDB
  12. Line(J, K) → b_1
  13. Point(b_1) → L
  14. Point(b_1) → N
  15. Point(b_1) → O
  16. Point(b_1) → Q
  17. Mirror(M, b_1) → M'
  18. Point(b_1) → P
  19. Point(b_1) → R
  20. Segment(P, M) → c_1
  21. Segment(M, R) → f_1
  22. Segment(R, M') → g_1
  23. Segment(M', P) → h_1
  24. Segment(P, R) → i_1
  25. Segment(M, M') → j_1
  26. Intersect(i_1, j_1) → S
  27. Line(P, M') → k_1
  28. Line(M, R) → l_1
  29. Line(R, M') → m_1
  30. Line(M, P) → n_1
  31. Polygon(P, M, R, M') → poly3, p_1, m_2, r_1, m'
  32. Distance(P, M) → distancePM
  33. Distance(M, R) → distanceMR
  34. Distance(R, M') → distanceRM'
  35. Distance(M', P) → distanceM'P
  36. Angle(M', P, M) → ζ
  37. Angle(P, M, R) → η
  38. Angle(M, R, M') → θ
  39. Angle(R, M', P) → ι
  40. Angle(P, S, M') → κ
  41. Distance(M', M) → distanceM'M
  42. Distance(P, R) → distancePR
  43. Segment(T, U) → d_1
  44. Circle(S, Segment[U, T]) → e_1
  45. Point(e_1) → V
  46. Line(V, S) → q_1
  47. Mirror(P, q_1) → P'
  48. Mirror(M, q_1) → M'_1
  49. Mirror(R, q_1) → R'
  50. Mirror(M', q_1) → M''
  51. Polygon(P', M'_1, R', M'') → poly3', p', m'_1, r', m''
  52. Line(W, Z) → s_1
  53. Point(s_1) → B_1
  54. Point(s_1) → C_1
  55. Segment(B_1, C_1) → a_2
  56. Point(s_1) → D_1
  57. Point(s_1) → E_1
  58. Segment(D_1, E_1) → b_2
  59. Point(a_2) → H_1
  60. Line(A_1, F_1) → t_1
  61. Line(G_1, t_1) → c_2
  62. Point(c_2) → I_1
  63. Line(A_1, G_1) → h_2
  64. Line(F_1, I_1) → i_2
  65. Line(A_1, F_1) → j_2
  66. Line(I_1, G_1) → k_2
  67. Distance(G_1, A_1) → distanceG1A1
  68. Distance(A_1, F_1) → distanceA1F1
  69. Distance(F_1, I_1) → distanceF1I1
  70. Distance(I_1, G_1) → distanceI1G1
  71. Angle(I_1, G_1, A_1) → λ
  72. Angle(G_1, A_1, F_1) → μ
  73. Angle(A_1, F_1, I_1) → ν
  74. Angle(F_1, I_1, G_1) → ξ
  75. Segment(A_1, I_1) → l_2
  76. Segment(G_1, F_1) → n_2
  77. Intersect(l_2, n_2) → K_1
  78. Distance(G_1, F_1) → distanceG1F1
  79. Distance(A_1, I_1) → distanceA1I1
  80. Angle(G_1, K_1, I_1) → ο
  81. Polygon(G_1, A_1, F_1, I_1) → poly4, g_2, a_3, f_2, i_3
  82. Segment(J_1, L_1) → d_2
  83. Circle(K_1, Segment[J_1, L_1]) → e_2
  84. Point(e_2) → M_1
  85. Line(K_1, M_1) → p_2
  86. Mirror(G_1, p_2) → N_1
  87. Mirror(A_1, p_2) → O_1
  88. Mirror(F_1, p_2) → P_1
  89. Mirror(I_1, p_2) → Q_1
  90. Polygon(N_1, O_1, P_1, Q_1) → poly4', n_3, o_1, p_3, q_2
  91. Line(R_1, S_1) → r_2
  92. Line(T_1, r_2) → s_2
  93. Segment(R_1, T_1) → t_2
  94. Circle(S_1, Segment[R_1, S_1]) → c_3
  95. Circle(S_1, Segment[R_1, T_1]) → d_3
  96. Circle(R_1, Segment[T_1, S_1]) → e_3
  97. Intersect(d_3, e_3, 2) → U_1
  98. Segment(T_1, U_1) → b_3
  99. Segment(U_1, S_1) → f_3
  100. Segment(S_1, R_1) → g_3
  101. Intersect(t_2, f_3) → V_1
  102. Intersect(b_3, g_3) → W_1
  103. Distance(U_1, V_1) → distanceU1V1
  104. Distance(U_1, W_1) → distanceU1W1
  105. Intersect(f_2, g_2) → Z_1
  106. Polygon(R_1, T_1, U_1, S_1) → poly5, r_3, t_3, u_1, s_3
  107. Line(R_1, T_1) → h_3
  108. Line(S_1, U_1) → j_3
  109. Line(T_1, U_1) → k_3
  110. Line(R_1, S_1) → l_3
  111. Segment(T_1, S_1) → m_3
  112. Segment(R_1, U_1) → q_3
  113. Intersect(m_3, q_3) → A_2
  114. Segment(B_2, C_2) → a_4
  115. Circle(A_2, Segment[B_2, C_2]) → c_4
  116. Point(c_4) → D_2
  117. Line(A_2, D_2) → b_4
  118. Mirror(R_1, b_4) → E_2
  119. Mirror(T_1, b_4) → F_2
  120. Mirror(U_1, b_4) → G_2
  121. Mirror(S_1, b_4) → H_2
  122. Polygon(E_2, F_2, G_2, H_2) → poly5', e_4, f_4, g_4, h_4
  123. Distance(R_1, T_1) → distanceR1T1
  124. Distance(T_1, U_1) → distanceT1U1
  125. Distance(U_1, S_1) → distanceU1S1
  126. Distance(S_1, R_1) → distanceS1R1
  127. Distance(R_1, U_1) → distanceR1U1
  128. Distance(T_1, S_1) → distanceT1S1
  129. Angle(R_1, A_2, S_1) → ρ
  130. Angle(S_1, R_1, T_1) → σ
  131. Angle(R_1, T_1, U_1) → τ
  132. Angle(T_1, U_1, S_1) → υ
  133. Angle(U_1, S_1, R_1) → ϕ
  134. Line(I_2, J_2) → d_4
  135. Line(K_2, d_4) → i_4
  136. Line(K_2, I_2) → j_4
  137. Line(J_2, j_4) → k_4
  138. Intersect(i_4, k_4) → L_2
  139. Polygon(K_2, I_2, J_2, L_2) → poly6, k_5, i_5, j_5, l_4
  140. Line(I_2, K_2) → m_4
  141. Line(J_2, L_2) → n_4
  142. Line(I_2, J_2) → p_4
  143. Line(K_2, L_2) → q_4
  144. Segment(K_2, J_2) → r_4
  145. Segment(I_2, L_2) → s_4
  146. Intersect(r_4, s_4) → M_2
  147. Segment(N_2, O_2) → t_4
  148. Circle(M_2, Segment[N_2, O_2]) → c_5
  149. Point(c_5) → P_2
  150. Line(M_2, P_2) → a_5
  151. Mirror(K_2, a_5) → Q_2
  152. Mirror(I_2, a_5) → R_2
  153. Mirror(J_2, a_5) → S_2
  154. Mirror(L_2, a_5) → T_2
  155. Polygon(Q_2, R_2, S_2, T_2) → poly6', q_5, r_5, s_5, t_5
  156. Distance(I_2, K_2) → distanceI2K2
  157. Distance(K_2, L_2) → distanceK2L2
  158. Distance(L_2, J_2) → distanceL2J2
  159. Distance(J_2, I_2) → distanceJ2I2
  160. Distance(I_2, L_2) → distanceI2L2
  161. Distance(K_2, J_2) → distanceK2J2
  162. Angle(J_2, I_2, K_2) → χ
  163. Angle(I_2, K_2, L_2) → ψ
  164. Angle(K_2, L_2, J_2) → ω
  165. Angle(L_2, J_2, I_2) → α_1
  166. Angle(I_2, M_2, J_2) → β_1
  167. Distance(I_2, J_2) → distanceI2J2
  168. Distance(I_2, L_2) → v_1
  169. Distance(K_2, J_2) → w_1
  170. Circle(U_2, V_2) → d_5
  171. Point(d_5) → W_2
  172. Segment(V_2, W_2) → b_5
  173. Mirror(U_2, b_5) → Z_2
  174. Polygon(W_2, U_2, V_2, Z_2) → poly7, w_2, u_2, v_2, z_2
  175. Segment(U_2, Z_2) → e_5
  176. Intersect(b_5, e_5) → A_3
  177. Distance(W_2, V_2) → distanceW2V2
  178. Distance(U_2, Z_2) → distanceU2Z2
  179. Angle(W_2, A_3, Z_2) → γ_1
  180. Angle(Z_2, W_2, U_2) → δ_1
  181. Angle(W_2, U_2, V_2) → ε_1
  182. Angle(U_2, V_2, Z_2) → ζ_1
  183. Angle(V_2, Z_2, W_2) → η_1
  184. Distance(W_2, U_2) → distanceW2U2
  185. Distance(U_2, V_2) → distanceU2V2
  186. Distance(V_2, Z_2) → distanceV2Z2
  187. Distance(Z_2, W_2) → distanceZ2W2
  188. Segment(B_3, C_3) → f_5
  189. Circle(A_3, Segment[B_3, C_3]) → g_5
  190. Point(g_5) → D_3
  191. Line(D_3, A_3) → h_5
  192. Mirror(W_2, h_5) → E_3
  193. Mirror(U_2, h_5) → F_3
  194. Mirror(V_2, h_5) → G_3
  195. Mirror(Z_2, h_5) → H_3
  196. Polygon(E_3, F_3, G_3, H_3) → poly7', e_6, f_6, g_6, h_6
  197. Line(W_2, U_2) → l_5
  198. Line(U_2, V_2) → m_5
  199. Line(V_2, Z_2) → n_5
  200. Line(Z_2, W_2) → p_5
  201. Segment(I_3, J_3) → a_6
  202. OrthogonalLine(I_3, a_6) → b_6
  203. OrthogonalLine(J_3, a_6) → c_6
  204. Point(b_6) → K_3
  205. Line(K_3, b_6) → d_6
  206. Line(K_3, d_6) → i_6
  207. Line(K_3, a_6) → j_6
  208. Intersect(c_6, j_6) → L_3
  209. Polygon(I_3, K_3, L_3, J_3) → poly8, i_7, k_6, l_6, j_7
  210. Distance(I_3, K_3) → distanceI3K3
  211. Distance(K_3, L_3) → distanceK3L3
  212. Distance(L_3, J_3) → distanceL3J3
  213. Distance(J_3, I_3) → distanceJ3I3
  214. Angle(J_3, I_3, K_3) → θ_1
  215. Angle(I_3, K_3, L_3) → ι_1
  216. Angle(K_3, L_3, J_3) → κ_1
  217. Angle(L_3, J_3, I_3) → λ_1
  218. Segment(K_3, J_3) → m_6
  219. Segment(I_3, L_3) → n_6
  220. Intersect(m_6, n_6) → M_3
  221. Line(I_3, K_3) → p_6
  222. Line(K_3, L_3) → q_6
  223. Line(L_3, J_3) → r_6
  224. Line(J_3, I_3) → s_6
  225. Angle(I_3, M_3, J_3) → μ_1
  226. Distance(I_3, L_3) → distanceI3L3
  227. Distance(K_3, J_3) → distanceK3J3
  228. Segment(N_3, O_3) → t_6
  229. Circle(M_3, Segment[N_3, O_3]) → c_7
  230. Point(c_7) → P_3
  231. Line(M_3, P_3) → a_7
  232. Mirror(I_3, a_7) → Q_3
  233. Mirror(K_3, a_7) → R_3
  234. Mirror(L_3, a_7) → S_3
  235. Mirror(J_3, a_7) → T_3
  236. Polygon(Q_3, R_3, S_3, T_3) → poly8', q_7, r_7, s_7, t_7
  237. Segment(A, G) → a
  238. OrthogonalLine(A, a) → b
  239. OrthogonalLine(G, a) → c
  240. Circle(A, Segment[A, G]) → d
  241. Circle(G, Segment[A, G]) → e
  242. Intersect(d, b, 2) → H
  243. Intersect(e, c, 2) → I
  244. Polygon(A, H, I, G) → poly1, a_1, h, i, g_7
  245. Segment(H, G) → l
  246. Segment(I, A) → n
  247. Intersect(l, n) → U_3
  248. Line(H, I) → q
  249. Line(G, A) → r
  250. Line(A, H) → b_7
  251. Line(I, G) → d_7
  252. Angle(G, U_3, I) → α
  253. Angle(G, A, H) → β
  254. Angle(A, H, I) → δ
  255. Angle(H, I, G) → ε
  256. Angle(I, G, A) → ν_1
  257. Distance(A, H) → distanceAH
  258. Distance(H, I) → distanceHI
  259. Distance(I, G) → distanceIG
  260. Distance(G, A) → distanceGA
  261. Distance(A, I) → distanceAI
  262. Distance(H, G) → distanceHG
  263. Segment(B, V_3) → e_7
  264. Segment(V_3, D) → f_7
  265. Polygon(V_3, B, C, D) → poly2, v_3, b_8, c_8, d_8
  266. Line(B, V_3) → h_7
  267. Line(V_3, D) → k_7
  268. Segment(C, V_3) → l_7
  269. Intersect(t, l_7) → W_3
  270. Intersect(c_8, v_3) → Z_3
  271. Intersect(d_8, b_8) → A_4
  272. Segment(B_4, C_4) → m_7
  273. Circle(W_3, Segment[B_4, C_4]) → p_7
  274. Point(p_7) → D_4
  275. Line(W_3, D_4) → n_7
  276. Mirror(V_3, n_7) → E_4
  277. Mirror(B, n_7) → B'
  278. Mirror(C, n_7) → C'
  279. Mirror(D, n_7) → D'
  280. Polygon(E_4, B', C', D') → poly2', e_8, b', c', d'
  281. Mirror(B', b') → B''
  282. Mirror(C', b') → C''
  283. Distance(V_3, B) → distanceV3B
  284. Distance(B, C) → z_1
  285. Distance(C, D) → o_2
  286. Distance(D, V_3) → distanceDV3
  287. Distance(V_3, C) → distanceV3C
  288. Distance(B, D) → distanceBD
  289. Angle(D, V_3, B) → ξ_1
  290. Angle(V_3, B, C) → ο_1
  291. Angle(B, C, D) → ρ_1
  292. Angle(C, D, V_3) → σ_1
  293. Angle(V_3, W_3, D) → τ_1
  294. Segment(F_4, G_4) → a_8
  295. Circle(U_3, Segment[F_4, G_4]) → f_8
  296. Point(f_8) → H_4
  297. Line(U_3, H_4) → g_8
  298. Mirror(A, g_8) → A'
  299. Mirror(H, g_8) → H'
  300. Mirror(I, g_8) → I'
  301. Mirror(G, g_8) → G'
  302. Polygon(A', H', I', G') → poly1', a', h', i', g'