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8 ABCD is a parallelogram. E and F are respectively the orthogonal projections of A and
on...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 20.01.2021 15:10, zitterkoph
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8 ABCD is a parallelogram. E and F are respectively the orthogonal projections of A and
on line (BD).
1) Prove that the triangles AED and BCF are congruent.
allelogram
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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