Ответ:
треугольник ВСЕ и ВАD подобны
AD = 4 + 1 = 5
BC = 4
CE = X
BA = 3
AD/BC = BA/CE
5/4 = 3/X
X = 12/5 = 2.4
CE = 2.4
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Ответ:
треугольник ВСЕ и ВАD подобны
AD = 4 + 1 = 5
BC = 4
CE = X
BA = 3
AD/BC = BA/CE
5/4 = 3/X
X = 12/5 = 2.4
CE = 2.4