摘要:5.直角ΔABC斜边为AB.内切圆切BC.CA.AB分别于D.E.F点.AD交内切圆于P点.若CPBP.求证:PD=AE+AP.
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直角△ABC斜边为AB,点A(-2,0),B(4,0),则△ABC的重心G的轨迹方程是( )
A.(x-1)2+y2=1(x≠0)
B.(x-1)2+y2=4(y≠0)
C.(x-1)2+y2=1(y≠0)
D.(x+1)2+y2=1(y≠0)
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直角△ABC斜边为AB,点A(-2,0),B(4,0),则△ABC的重心G的轨迹方程是
A.(x-1)2+y2=1(x≠0)
B.(x-1)2+y2=4(y≠0)
C.(x-1)2+y2=1(y≠0)
D.(x+1)2+y2=1(y≠0)
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