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17 February, 17:45

Given: triangle ABC, AB = BC Perimeter of ΔABC = 50 Perimeter of ΔABD = 40 Find: BD

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  1. 17 February, 18:02
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    The answer is 15. You can use a equation 2x+2y=50 for ABC and so then x+y=25. x+y+h=40 (ABD), so h is 15 units.
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