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1、精品教案设计资料2017 年八年级数学上 13.1 轴对称 13.1.2 线段的垂直平分线的性质第 1 课时线段的垂直平分线的性质和判定学案13.1.2瀭鐩村钩鍒嗙嚎鐨勬 川鍜屽垽瀹?鐞嗚?P61?B锛屽瀭瓒充负C 川 绗?川锛孉 C 锛滲 C 锛屸柍 PAC鈮宊_锛孭 A 锛漘_.鐭瘑鎺1 绾挎 川锛?涓庤繖鏉嚎娈礯_锛?_1 濡傚浘锛孉 DC锛孊 D 锛滵 C 锛岀偣 C 鍦E 鐨勫瀭鐩村钩鍒嗙嚎涓婏紝 AB 銆丄 C 銆丆 E 鐨勯暱搴湁浠涔堝叧绯伙紵 AB 锛婤 D 涓嶥 E 鏈変粈涔堝叧绯伙紵鍨傜洿骞冲垎绾跨殑鎬紝鐞嗚棰橈細 濡傚浘锛孭 A 锛漃 B.鈶犺嫢 PC_锛?鈶嫢 AC 锛
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3、C 浜嶥锛岃嫢鈻矨 DB 鐨勫懆闀夸负 18 锛屾眰 DC 鐨勯暱锛?瑙細鈭礑 M 鏄疉 B 鐨勫瀭鐩村钩鍒嗙嚎锛?鈭碅D锛滲D.璁綜D鐨勯暱涓簒锛屽垯AD锛滱C锛岰D锛?锛峹.鈭礐鈻矨 DB 锛滱 B 锛婣 D 锛婤 D 锛?锛?8 锛峹)锛?8 锛峹)锛?8 锛?鈭磝锛?锛屽嵆CD 鐨勯暱涓?cm.銆鐢辩嚎娈靛瀭鐩村钩鍒嗙嚎鐨勬 川寰桝 D 锛滲 D 杩涜屾眰瑙紟 渚?銆濡傚浘锛屸柍 ABC 涓瑼 C锛孌 EC 锛孉 D 骞冲垎鈭燘 ACB 浜嶦锛屾眰璇侊細鐩寸嚎 AD 鏄疌 E 鐨勫瀭鐩村钩鍒嗙嚎锛?璇佹B 锛孌 CC 锛?鈭碊 E 锛滳 D.鈭寸鈭槑锛氣埖 AD 骞冲垎鈭燘 AC 锛孌
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