Mathematics

Mathematics

Problem

In △ABC\triangle ABC, DD lies on ABAB and EE on ACAC such that DE∥BCDE \parallel BC. If AD=3 cmAD = 3\,\text{cm}, DB=6 cmDB = 6\,\text{cm} and AC=12 cmAC = 12\,\text{cm}, the length of AEAE (in cm) is a) 6 b) 4 c) 8 d) 5

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