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20 March, 12:03

A lakefront cottage that is 30 feet high casts a shadow on the water. How long is that shadow if a 16-foot-high truck parked nearby casts an 8-foot shadow?

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  1. 20 March, 12:15
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    15 ft

    Step-by-step explanation:

    We can use the properties of similar triangles.

    16/8 = 30/x

    2 = 30/x Multiply each side by x

    2x = 30 Divide each side by 2

    x = 15 ft

    The shadow is 15 ft long.

    Check:

    16/8 = 30/15

    2 = 2
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