Important information about Ratio and proportion Application Word Problem : Length of Shadow

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  Susan and the tree together with their shadows form similar right triangles. We can use ratio and proportion of their height with respect to the shadow length: x / (23.56 + 8.42) = 1.59 / 8.42 x = 6.04m.

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  We are given that the shadow is 8 feet long which means that the hypotenuse is 16 feet long. With this information, the problem becomes just like problem 1. We know the length of the hypotenuse and the length of one of the sides.

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