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15 December, 20:42

Julia uses the shadow of a flagpole to estimate its height. She stands so that the tip of her shadow coincides with the tip of the flagpole's shadow, as shown. Julia is 5 feet tall. The distance from the flagpole to Julia is 28 feet, and the distance from the tip of the shadows to Julia is 7 feet. Calculate the height of the flagpole. The diagram is not drawn to scale.

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  1. 15 December, 20:55
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    The flag pole is 25 feet tall,

    The ratio of between Julia is 5ft (height) / 7 ft (length of shadow)

    The flag pole is x/35 feet. Cross multiply 5x35=7x to get 25
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