12.1.1 ᠪᠦᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠥ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ 全等三角形.pptx
ᠲᠣᠭᠠᠨ ᠤ ᠤᠬᠠᠭᠠᠨ , ᠨᠠᠢᠮᠠᠳᠤᠭᠠᠷ ᠤᠨ ᠤ ᠲᠡᠬᠡᠳᠤ ᠲᠡᠪᠳᠡᠷ , ᠠᠯᠪᠠᠨ ᠵᠢᠷᠤᠮ ᠦᠨ ᠰᠤᠷᠭᠠᠨ ᠬᠥᠮᠦᠵᠢᠯ ᠦᠨ ᠬᠢᠴᠢᠶᠡᠯ ᠦᠨ ᠪᠠᠷᠢᠮᠵᠢᠶᠠ ᠶᠢᠨ ᠲᠤᠷᠰᠢᠯᠳᠠ ᠶᠢᠨ ᠰᠤᠷᠬᠤ ᠪᠢᠴᠢᠭ , ᠬᠢᠴᠢᠶᠡᠯᠯᠡᠭᠴᠢ᠄ ᠬᠠᠰᠪᠤᠶᠠᠨᠳᠤ QQ᠄ 544941735 ᠨᠠᠢᠲᠡ ᠶᠢᠨ ᠳᠠᠪᠴᠠᠩ᠄ ,12.1.1 ᠪᠦᠷᠢᠨ ᠲᠡᠩᠴᠡᠬᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ , ᠰᠤᠷᠬᠤ ᠬᠠᠷᠠᠯᠳᠠ᠄ ,,1. ᠪᠥᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠤ ᠤᠬᠠᠠᠠᠳᠠᠬᠤᠨ᠂ ᠪᠥᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠤ ᠬᠠᠷᠠᠭᠠᠯᠵᠬᠠᠰᠠᠨ ᠤᠷᠤᠢ ᠶᠢᠨ ᠴᠡᠭ᠂ ᠬᠠᠷᠠᠭᠠᠯᠵᠬᠠᠰᠠᠨ ᠲᠠᠯᠠ᠂ ᠬᠠᠷᠠᠭᠠᠯᠵᠬᠠᠰᠠᠨ ᠦᠨᠴᠦᠭ ᠢ ᠮᠡᠳᠡᠵᠦ᠂ ᠢᠯᠭᠠᠵᠤ ᠴᠢᠳᠠᠬᠤ᠃ 2. ᠪᠥᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠤ ᠰᠢᠨᠵᠢ ᠴᠢᠨᠠᠷ ᠢ ᠤᠢᠯᠠᠭᠠᠵᠤ ᠬᠡᠷᠡᠭᠯᠡᠵᠦ ᠴᠢᠳᠠᠬᠤ᠃ 3. ᠪᠥᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠤ ᠡᠯᠠ ᠡᠯᠧᠮᠧᠨ᠋ᠲ ᠢ ᠲᠡᠮᠳᠡᠭ ᠢᠶᠡᠷ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠵᠦ ᠴᠢᠳᠠᠬᠤ᠃ , ᠠᠰᠠᠭᠤᠳᠠᠯ 1, ᠪᠥᠷᠢᠮᠦᠰᠦᠨ ᠲᠠᠪᠬᠤᠴᠠᠬᠤ ᠬᠤᠶᠠᠷ ᠵᠢᠷᠤᠭ ᠲᠦᠷᠰᠦ ᠶᠢ ᠪᠥᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠲᠦᠷᠰᠦ ᠬᠡᠨᠠ᠃ , ᠬᠤᠷᠢᠶᠠᠩᠭᠤᠢᠯᠠᠯ ,,,𝐸,𝐷,𝐹, ᠪᠥᠷᠢᠮᠦᠰᠦᠨ ᠲᠠᠪᠬᠤᠴᠠᠬᠤ ᠬᠤᠶᠠᠷ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠢ ᠪᠥᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠬᠡᠨᠠ᠃ ,, ᠠᠰᠠᠭᠤᠳᠠᠯ 2, ᠬᠤᠷᠢᠶᠠᠩᠭᠤᠢᠯᠠᠯ , ᠬᠠᠷᠠᠭᠠᠯᠵᠠᠭᠰᠠᠨ ᠥᠨᠴᠥᠭ᠄ , ᠬᠠᠷᠠᠭᠠᠯᠵᠠᠭᠰᠠᠨ ᠣᠷᠣᠢ ᠶᠢᠨ ᠴᠡᠭ᠄ , ᠬᠠᠷᠠᠭᠠᠯᠵᠠᠭᠰᠠᠨ ᠲᠠᠯᠠ᠄ , ᠴᠡᠭ 𝐴 ᠪᠠ ᠴᠡᠭ 𝐷, ᠴᠡᠭ 𝐵 ᠪᠠ ᠴᠡᠭ 𝐸, ᠴᠡᠭ 𝐶 ᠪᠠ ᠴᠡᠭ 𝐹,∠𝐴=∠𝐷 , ∠𝐵=∠𝐸 , ∠𝐶=∠𝐹,𝐴𝐵=𝐷𝐸 , 𝐴𝐶=𝐷𝐹, 𝐵𝐶=𝐸𝐹, ᠪᠦᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠤ ᠬᠠᠷᠠᠭᠠᠯᠵᠬᠠᠰᠠᠨ ᠥᠨᠴᠥᠭ ᠨᠢ ᠲᠡᠩᠴᠡᠭᠦᠦ᠃ , ᠪᠦᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠤ ᠬᠠᠷᠠᠭᠠᠯᠵᠬᠠᠰᠠᠨ ᠲᠠᠯᠠ ᠨᠢ ᠲᠡᠩᠴᠡᠭᠦᠦ᠃ , ᠪᠦᠷᠢᠨ ᠲᠡᠩᠴᠡᠬᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠤ ᠲᠡᠮᠲᠡᠭᠯᠡᠬᠦ ᠠᠷᠭᠠ᠄ , ᠬᠤᠷᠢᠶᠠᠩᠭᠤᠢᠯᠠᠯ ,∆𝐴𝐵𝐶 ≌ ∆𝐷𝐸𝐹,,,𝐴,𝐵,𝐶,𝐸,𝐷,𝐹,∆𝐴𝐵𝐶 ᠶᠢ ᠵᠡᠷᠭᠡᠴᠡᠭᠡ ᠰᠢᠯᠵᠢᠬᠦᠯᠪᠡᠯ᠄ , ᠠᠰᠠᠭᠤᠳᠠᠯ 3,,,,,,,,,,,,,,,,,,,,,,,∆𝐴𝐵𝐶 ᠶᠢ ᠰᠢᠯᠤᠭᠤᠨ 𝑙 ᠲᠠᠭᠠᠤ 180° ᠤᠷᠪᠠᠭᠤᠯᠤᠨ ᠨᠤᠭᠤᠯᠪᠠᠯ᠄ ,∆𝐴𝐵𝐶 ᠶᠢ ᠴᠡᠭ A ᠪᠠᠷ ᠲᠦᠪ ᠪᠤᠯᠭᠠᠨ 180° ᠡᠷᠭᠢᠬᠦᠯᠪᠡᠯ᠄ ,,∆𝐴𝐵𝐶 ᠶᠢ ᠵᠡᠷᠭᠡᠴᠡᠭᠡ ᠰᠢᠯᠵᠢᠬᠦᠯᠬᠦ᠂ ᠨᠤᠭᠤᠯᠬᠤ᠂ ᠡᠷᠬᠢᠬᠦᠯᠬᠦ ᠢᠶᠡᠷ ᠳᠠᠮᠵᠢᠨ ᠣᠯᠠᠨ ᠠᠳᠠᠯᠢ ᠪᠤᠰᠤ ᠪᠠᠢᠷᠢ ᠶᠢᠨ ᠪᠦᠷᠢᠨ ᠲᠡᠩᠴᠡᠬᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠢ ᠣᠯᠵᠤ ᠪᠣᠯᠣᠨᠠ᠃ ,,Δ𝐴𝐵𝐶≌Δ𝐷𝐸𝐹,Δ𝐴𝐵𝐶≌Δ𝐴𝐷𝐸,Δ𝐴𝐵𝐶≌Δ𝐸𝐶𝐵, ᠦᠷᠭᠦᠯᠵᠢ ᠲᠤᠭᠢᠶᠠᠯᠳᠤᠳᠠᠭ ᠪᠥᠷᠢᠨ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ᠄ ,
ᠮᠣᠩᠭᠣᠯ ᠳ᠋ᠣᠺ ᠤᠨ ᠬᠥᠮᠥᠷᠭᠡ