Symmetry and Practical Geometry Symmetry and Practical Geometry (IMO- Mathematics Olympiad Class 6): Questions 23 - 28 of 50 Choose Topic

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Question number: 23 » Symmetry and Practical Geometry

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Question A rhombus is symmetrical about

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Question number: 24 » Symmetry and Practical Geometry

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Question A line segment J K ¯ = 7.2 cm is bisected at D and then K D ¯ is again bisected at point E, then length E K ¯ is

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Question number: 25 » Symmetry and Practical Geometry

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Question A line segment P Q ¯ = 8.2 cm is bisected at O, then length P O ¯ is

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Question number: 26 » Symmetry and Practical Geometry

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Question An angle ∠ J K L = 115 0 is bisected by an angular bisector KP, then the measure of ∠ J K P is

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Question number: 27 » Symmetry and Practical Geometry

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Question number: 28 » Symmetry and Practical Geometry

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Question What is the smallest number of squares that must be added so that the line AB becomes a line of symmetry?

Polygon poly1_ {12} Polygon poly1_ {12}: Polygon [A_ {59}, B_ {79}, 4] Polygon poly1_ {12} Polygon poly1_ {12}: Polygon [A_ {59}, B_ {79}, 4] Polygon poly1_ {13} Polygon poly1_ {13}: Polygon [A_ {58}, B_ {78}, 4] Polygon poly1_ {13} Polygon poly1_ {13}: Polygon [A_ {58}, B_ {78}, 4] Polygon poly1_ {14} Polygon poly1_ {14}: Polygon [A_ {57}, B_ {77}, 4] Polygon poly1_ {14} Polygon poly1_ {14}: Polygon [A_ {57}, B_ {77}, 4] Polygon poly1_ {15} Polygon poly1_ {15}: Polygon [A_ {56}, B_ {76}, 4] Polygon poly1_ {15} Polygon poly1_ {15}: Polygon [A_ {56}, B_ {76}, 4] Polygon poly1_ {16} Polygon poly1_ {16}: Polygon [A_ {55}, B_ {75}, 4] Polygon poly1_ {16} Polygon poly1_ {16}: Polygon [A_ {55}, B_ {75}, 4] Polygon poly1_2 Polygon poly1_2: Polygon [A_ {76}, B_ {138}, 4] Polygon poly1_2 Polygon poly1_2: Polygon [A_ {76}, B_ {138}, 4] Polygon poly1_7 Polygon poly1_7: Polygon [A_ {77}, B_ {145}, 4] Polygon poly1_7 Polygon poly1_7: Polygon [A_ {77}, B_ {145}, 4] Polygon poly1_9 Polygon poly1_9: Polygon [A_ {79}, B_ {163}, 4] Polygon poly1_9 Polygon poly1_9: Polygon [A_ {79}, B_ {163}, 4] Polygon poly1_ {10} Polygon poly1_ {10}: Polygon [A_ {80}, B_ {172}, 4] Polygon poly1_ {10} Polygon poly1_ {10}: Polygon [A_ {80}, B_ {172}, 4] Polygon poly1_ {17} Polygon poly1_ {17}: Polygon [A_ {82}, B_ {189}, 4] Polygon poly1_ {17} Polygon poly1_ {17}: Polygon [A_ {82}, B_ {189}, 4] Polygon poly1_ {19} Polygon poly1_ {19}: Polygon [A_ {84}, B_ {206}, 4] Polygon poly1_ {19} Polygon poly1_ {19}: Polygon [A_ {84}, B_ {206}, 4] Polygon poly1_ {20} Polygon poly1_ {20}: Polygon [A_ {85}, B_ {212}, 4] Polygon poly1_ {20} Polygon poly1_ {20}: Polygon [A_ {85}, B_ {212}, 4] Polygon poly1_ {21} Polygon poly1_ {21}: Polygon [A_ {87}, B_ {220}, 4] Polygon poly1_ {21} Polygon poly1_ {21}: Polygon [A_ {87}, B_ {220}, 4] Polygon poly1_ {22} Polygon poly1_ {22}: Polygon [A_ {89}, B_ {228}, 4] Polygon poly1_ {22} Polygon poly1_ {22}: Polygon [A_ {89}, B_ {228}, 4] Polygon poly1_ {23} Polygon poly1_ {23}: Polygon [A_ {90}, B_ {233}, 4] Polygon poly1_ {23} Polygon poly1_ {23}: Polygon [A_ {90}, B_ {233}, 4] Polygon poly1_ {24} Polygon poly1_ {24}: Polygon [A_ {91}, B_ {238}, 4] Polygon poly1_ {24} Polygon poly1_ {24}: Polygon [A_ {91}, B_ {238}, 4] Polygon poly1_ {25} Polygon poly1_ {25}: Polygon [A_ {92}, B_ {243}, 4] Polygon poly1_ {25} Polygon poly1_ {25}: Polygon [A_ {92}, B_ {243}, 4] Polygon poly1_ {26} Polygon poly1_ {26}: Polygon [A_ {95}, B_ {258}, 4] Polygon poly1_ {26} Polygon poly1_ {26}: Polygon [A_ {95}, B_ {258}, 4] Polygon poly1_ {29} Polygon poly1_ {29}: Polygon [A_ {99}, B_ {278}, 4] Polygon poly1_ {29} Polygon poly1_ {29}: Polygon [A_ {99}, B_ {278}, 4] Polygon poly1_ {32} Polygon poly1_ {32}: Polygon [A_ {101}, B_ {288}, 4] Polygon poly1_ {32} Polygon poly1_ {32}: Polygon [A_ {101}, B_ {288}, 4] Polygon poly1_ {34} Polygon poly1_ {34}: Polygon [A_ {103}, B_ {298}, 4] Polygon poly1_ {34} Polygon poly1_ {34}: Polygon [A_ {103}, B_ {298}, 4] Segment f_ {12} Segment f_ {12}: Segment [A_ {59}, B_ {79} ] of Polygon poly1_ {12} Segment g_ {12} Segment g_ {12}: Segment [B_ {79}, C_ {18} ] of Polygon poly1_ {12} Segment h_ {12} Segment h_ {12}: Segment [C_ {18}, D_ {18} ] of Polygon poly1_ {12} Segment i_ {12} Segment i_ {12}: Segment [D_ {18}, A_ {59} ] of Polygon poly1_ {12} Segment f_ {13} Segment f_ {13}: Segment [A_ {58}, B_ {78} ] of Polygon poly1_ {13} Segment g_ {13} Segment g_ {13}: Segment [B_ {78}, C_ {17} ] of Polygon poly1_ {13} Segment h_ {13} Segment h_ {13}: Segment [C_ {17}, D_ {17} ] of Polygon poly1_ {13} Segment i_ {13} Segment i_ {13}: Segment [D_ {17}, A_ {58} ] of Polygon poly1_ {13} Segment f_ {14} Segment f_ {14}: Segment [A_ {57}, B_ {77} ] of Polygon poly1_ {14} Segment g_ {14} Segment g_ {14}: Segment [B_ {77}, C_ {16} ] of Polygon poly1_ {14} Segment h_ {14} Segment h_ {14}: Segment [C_ {16}, D_ {16} ] of Polygon poly1_ {14} Segment i_ {14} Segment i_ {14}: Segment [D_ {16}, A_ {57} ] of Polygon poly1_ {14} Segment f_ {15} Segment f_ {15}: Segment [A_ {56}, B_ {76} ] of Polygon poly1_ {15} Segment g_ {15} Segment g_ {15}: Segment [B_ {76}, C_ {15} ] of Polygon poly1_ {15} Segment h_ {15} Segment h_ {15}: Segment [C_ {15}, D_ {15} ] of Polygon poly1_ {15} Segment i_ {15} Segment i_ {15}: Segment [D_ {15}, A_ {56} ] of Polygon poly1_ {15} Segment f_ {16} Segment f_ {16}: Segment [A_ {55}, B_ {75} ] of Polygon poly1_ {16} Segment g_ {16} Segment g_ {16}: Segment [B_ {75}, C_ {14} ] of Polygon poly1_ {16} Segment h_ {16} Segment h_ {16}: Segment [C_ {14}, D_ {14} ] of Polygon poly1_ {16} Segment i_ {16} Segment i_ {16}: Segment [D_ {14}, A_ {55} ] of Polygon poly1_ {16} Segment j Segment j: Segment [A, B] Segment f_2 Segment f_2: Segment [A_ {76}, B_ {138} ] of Polygon poly1_2 Segment g_2 Segment g_2: Segment [B_ {138}, C_6] of Polygon poly1_2 Segment h_2 Segment h_2: Segment [C_6, D_6] of Polygon poly1_2 Segment i_2 Segment i_2: Segment [D_6, A_ {76} ] of Polygon poly1_2 Segment f_7 Segment f_7: Segment [A_ {77}, B_ {145} ] of Polygon poly1_7 Segment g_7 Segment g_7: Segment [B_ {145}, C_7] of Polygon poly1_7 Segment h_7 Segment h_7: Segment [C_7, D_7] of Polygon poly1_7 Segment i_7 Segment i_7: Segment [D_7, A_ {77} ] of Polygon poly1_7 Segment f_9 Segment f_9: Segment [A_ {79}, B_ {163} ] of Polygon poly1_9 Segment g_9 Segment g_9: Segment [B_ {163}, C_9] of Polygon poly1_9 Segment h_9 Segment h_9: Segment [C_9, D_9] of Polygon poly1_9 Segment i_9 Segment i_9: Segment [D_9, A_ {79} ] of Polygon poly1_9 Segment f_ {10} Segment f_ {10}: Segment [A_ {80}, B_ {172} ] of Polygon poly1_ {10} Segment g_ {10} Segment g_ {10}: Segment [B_ {172}, C_ {10} ] of Polygon poly1_ {10} Segment h_ {10} Segment h_ {10}: Segment [C_ {10}, D_ {10} ] of Polygon poly1_ {10} Segment i_ {10} Segment i_ {10}: Segment [D_ {10}, A_ {80} ] of Polygon poly1_ {10} Segment f_ {17} Segment f_ {17}: Segment [A_ {82}, B_ {189} ] of Polygon poly1_ {17} Segment g_ {17} Segment g_ {17}: Segment [B_ {189}, C_ {12} ] of Polygon poly1_ {17} Segment h_ {17} Segment h_ {17}: Segment [C_ {12}, D_ {12} ] of Polygon poly1_ {17} Segment i_ {17} Segment i_ {17}: Segment [D_ {12}, A_ {82} ] of Polygon poly1_ {17} Segment f_ {19} Segment f_ {19}: Segment [A_ {84}, B_ {206} ] of Polygon poly1_ {19} Segment g_ {19} Segment g_ {19}: Segment [B_ {206}, C_ {19} ] of Polygon poly1_ {19} Segment h_ {19} Segment h_ {19}: Segment [C_ {19}, D_ {19} ] of Polygon poly1_ {19} Segment i_ {19} Segment i_ {19}: Segment [D_ {19}, A_ {84} ] of Polygon poly1_ {19} Segment f_ {20} Segment f_ {20}: Segment [A_ {85}, B_ {212} ] of Polygon poly1_ {20} Segment g_ {20} Segment g_ {20}: Segment [B_ {212}, C_ {20} ] of Polygon poly1_ {20} Segment h_ {20} Segment h_ {20}: Segment [C_ {20}, D_ {20} ] of Polygon poly1_ {20} Segment i_ {20} Segment i_ {20}: Segment [D_ {20}, A_ {85} ] of Polygon poly1_ {20} Segment f_ {21} Segment f_ {21}: Segment [A_ {87}, B_ {220} ] of Polygon poly1_ {21} Segment g_ {21} Segment g_ {21}: Segment [B_ {220}, C_ {21} ] of Polygon poly1_ {21} Segment h_ {21} Segment h_ {21}: Segment [C_ {21}, D_ {21} ] of Polygon poly1_ {21} Segment i_ {21} Segment i_ {21}: Segment [D_ {21}, A_ {87} ] of Polygon poly1_ {21} Segment f_ {22} Segment f_ {22}: Segment [A_ {89}, B_ {228} ] of Polygon poly1_ {22} Segment g_ {22} Segment g_ {22}: Segment [B_ {228}, C_ {22} ] of Polygon poly1_ {22} Segment h_ {22} Segment h_ {22}: Segment [C_ {22}, D_ {22} ] of Polygon poly1_ {22} Segment i_ {22} Segment i_ {22}: Segment [D_ {22}, A_ {89} ] of Polygon poly1_ {22} Segment f_ {23} Segment f_ {23}: Segment [A_ {90}, B_ {233} ] of Polygon poly1_ {23} Segment g_ {23} Segment g_ {23}: Segment [B_ {233}, C_ {23} ] of Polygon poly1_ {23} Segment h_ {23} Segment h_ {23}: Segment [C_ {23}, D_ {23} ] of Polygon poly1_ {23} Segment i_ {23} Segment i_ {23}: Segment [D_ {23}, A_ {90} ] of Polygon poly1_ {23} Segment f_ {24} Segment f_ {24}: Segment [A_ {91}, B_ {238} ] of Polygon poly1_ {24} Segment g_ {24} Segment g_ {24}: Segment [B_ {238}, C_ {24} ] of Polygon poly1_ {24} Segment h_ {24} Segment h_ {24}: Segment [C_ {24}, D_ {24} ] of Polygon poly1_ {24} Segment i_ {24} Segment i_ {24}: Segment [D_ {24}, A_ {91} ] of Polygon poly1_ {24} Segment f_ {25} Segment f_ {25}: Segment [A_ {92}, B_ {243} ] of Polygon poly1_ {25} Segment g_ {25} Segment g_ {25}: Segment [B_ {243}, C_ {25} ] of Polygon poly1_ {25} Segment h_ {25} Segment h_ {25}: Segment [C_ {25}, D_ {25} ] of Polygon poly1_ {25} Segment i_ {25} Segment i_ {25}: Segment [D_ {25}, A_ {92} ] of Polygon poly1_ {25} Segment f_ {26} Segment f_ {26}: Segment [A_ {95}, B_ {258} ] of Polygon poly1_ {26} Segment g_ {26} Segment g_ {26}: Segment [B_ {258}, C_ {26} ] of Polygon poly1_ {26} Segment h_ {26} Segment h_ {26}: Segment [C_ {26}, D_ {26} ] of Polygon poly1_ {26} Segment i_ {26} Segment i_ {26}: Segment [D_ {26}, A_ {95} ] of Polygon poly1_ {26} Segment f_ {29} Segment f_ {29}: Segment [A_ {99}, B_ {278} ] of Polygon poly1_ {29} Segment g_ {29} Segment g_ {29}: Segment [B_ {278}, C_ {29} ] of Polygon poly1_ {29} Segment h_ {29} Segment h_ {29}: Segment [C_ {29}, D_ {29} ] of Polygon poly1_ {29} Segment i_ {29} Segment i_ {29}: Segment [D_ {29}, A_ {99} ] of Polygon poly1_ {29} Segment f_ {32} Segment f_ {32}: Segment [A_ {101}, B_ {288} ] of Polygon poly1_ {32} Segment g_ {32} Segment g_ {32}: Segment [B_ {288}, C_ {32} ] of Polygon poly1_ {32} Segment h_ {32} Segment h_ {32}: Segment [C_ {32}, D_ {32} ] of Polygon poly1_ {32} Segment i_ {32} Segment i_ {32}: Segment [D_ {32}, A_ {101} ] of Polygon poly1_ {32} Segment f_ {34} Segment f_ {34}: Segment [A_ {103}, B_ {298} ] of Polygon poly1_ {34} Segment g_ {34} Segment g_ {34}: Segment [B_ {298}, C_ {34} ] of Polygon poly1_ {34} Segment h_ {34} Segment h_ {34}: Segment [C_ {34}, D_ {34} ] of Polygon poly1_ {34} Segment i_ {34} Segment i_ {34}: Segment [D_ {34}, A_ {103} ] of Polygon poly1_ {34} Point A A = (8.81, 23.21) Point A A = (8.81, 23.21) Point A A = (8.81, 23.21) Point B B = (32.81, -0.39) Point B B = (32.81, -0.39) Point B B = (32.81, -0.39) Image Made by Some Squares on a Crossed Line

Showing an image made by some squares on a crossed line

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