2.3.4《平面与平面垂直的性质》问题导读—评价单.pdf

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1、2.3.4平面与平面垂直的性质问题导读评价单【学习目标】1、熟悉面面垂直性质定理的条件，并能应用其证明线面垂直；2、熟悉线线垂直、线面垂直和面面垂直之间的相互转化；3、能处理较综合的线面垂直、线线垂直、面面垂直的综合题目。【学习重点】线线垂直、线面垂直和面面垂直之间的相互转化。【学习难点】能处理较综合的线面垂直、线线垂直、面面垂直的综合题目。问题 1.平面和平面垂直的性质定理:文字语言：图象语言：符号语言：问题 2.如果两个平面垂直，经过第一个平面内的一点作垂直于第二个平面的直线与第一个平面的关系怎样？问题 3.已知，是两个平面，直线l，l，设（1）l，（2）/l，（3），若以其中两个作为条件

2、，另一个作为结论，则正确命题的个数是（）A0 B1 C2 D3 问题 4.三棱锥 PABC 中，,PBPC ABAC，点 D 为 BC 中点，AHPD 于 H点，连 BH，求证：平面 ABH平面 PBC文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V

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7、1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1文档编码:CK1U5R8R2Y1 HS4K7A7S5T7 ZX5J3F8U3V1