SOLUTION: The length of the shadow of a tree is 30 feet. At the same time of the day, a birdbath with a height of 3 feet has a shadow of 2 feet. What is the height of the tree?

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Question 78877: The length of the shadow of a tree is 30 feet. At the same time of the day, a birdbath with a height of 3 feet has a shadow of 2 feet.
What is the height of the tree?

Answer by 303795(562) About Me  (Show Source):
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Using the information about the bird bath we can see that the shadow is 2/3 the height of the real object.
As the shadow of the tree is 30 feet then this must be 2/3 the height of the tree. The tree is 3/2 times as large as its shadow or 30 * 3/2 = 45 feet in height.