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nemTespolhunyorAABC and A DEF are equilateral triangles. If ACAABC)und AB = 4, find DE.A (A DEN |
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Answer» Both are equilateral triangle so angle between them is 60°.It's sufficient to make 2 tariangles similar.For similar Triangle,Area of ABC/Area of DEF=(AB)^2/(DE)^2=(BC)^2/(EF)^2=(AC)^2/(DF)^2 |
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