Area (and possible trigonometry) problem
Given 3 lengths and 3 perpendiculars, which length is incorrect? If working with non-right-angled trigonometry can also bring in cosine rule and area to check by calculating areas from given lengths. Possibly also some Pythagoras links with the perpendiculars? Is there more than one possible answer?

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Created: Jun 26, 2015

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Which-of-the-six-lengths-is-incorrect

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