摘要:如图3-43.正方形ABCD中.过点D作DP交AC于点M.交AB于点N.交CB的延长线于点P. 若MN = 1.PN = 3.则DM的长为 .
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(1)求证:△ADF∽△DEC;
(2)若AB=8,AD=6
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(1)求证:△ADF∽△DEC;
(2)若AB=6,AD=12,AE=5,求AF的长.
(1)求证:∠BAE=∠DAF;
(2)若AE=4,AF=
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