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2 answers:
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Answer:
The total amount of screen needed is 22 ft^2
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The surface area of a rectangular prism is equal to
where
B is the area of the base
P is the perimeter of the base
h is the height of the rectangular prism
<em>Find the area of the base B</em>
<em>Find the perimeter of the base P</em>
The height of the prism h is
substitute the values
The total amount of screen needed is 22 ft^2
