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geometry

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Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole?
step by step on how to do it?

  • geometry -

    Seet up a proportion of Shadow/height for each object. So Shalonda would be 8/4 and the flagpole would be 28/x. so 8/4 = 28/x. Cross multiply and divide. (28 X 4) / (8x) or 112/8 = x. So the pole is 14 feet tall which makes sense if her shadow is twice as long as she is tall, so is the flagpole's.

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