
In calculate: The length of the school building`s shadow using the given information.

Answer to Problem 4PPS
Length of school building`s shadow is 37.5 feet at the same time.
Explanation of Solution
Given information: A height of school building is 25 feet and a mail box is 4 feet high. The mailbox casts a shadow that is 6 feet.
Concept used: The related figure forming two similar
And as in similar triangles, the ratio of corresponding sides are proportional, so
Calculation:
Based on above proportion, set,
Or,
Or, length of shadow of building,
So, the length of shadow of school building is 37.5 feet.
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