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21 April, 00:54

A building 56 ft high casts a 196-ft shadow. Sarah casts a 14-ft shadow. The triangle formed by the building and its shadow is similar to the triangle formed by Sarah and her shadow. How tall is Sarah?

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  1. 21 April, 01:11
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    We have 2 similar triangles here so the corresponding sides are in the smae ratio.:-

    So if h is Sally's height we have

    56 / h = 196 / 14

    h = (56*14) / 196 = 4 feet
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