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Tess Ochoa
Mathematics
1 June, 03:51
What is the length of DE
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Arjun Petty
1 June, 04:06
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nce BE=EC, BC = 2BE. According the principle of proportionality of triangle, BE/DE=BC/AC.
This can be re-written as:
BE/DE = 2BE / AC
DE = AC * (BE/2BE)
DE = AC * (0.5)
Since we do not know the value of AC from statement (2) therefore not sufficient. However substituting the value of AC from statement (1), we get DE = 14 * 0.5 = 7
Therefore answer is C, both statements together are sufficient but neither alone is sufficient.
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