忽忽.如下图.
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![忽忽.如下图.](/uploads/image/z/12127674-66-4.jpg?t=%E5%BF%BD%E5%BF%BD.%E5%A6%82%E4%B8%8B%E5%9B%BE.)
忽忽.如下图.
忽忽.
如下图.
忽忽.如下图.
4.Assume the height of the flagpole is h.
h/5 = 14/3.5
h = 20(feet)
so the height of the flagpole is 20 feet.
5.Because the ratio of the corresponding sides of the two rectangle is 1/(3/4) = 4/3
so the ratio of the areas of two regtangle is 4/3 X 4/3 = 16/9