A pencil box is in the shape of a right rectangular prism and filled with unit cubes as shown below. Each unit cube has a length
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Answer:
inches
Step-by-step explanation:
Let x inches be the length of one side of the frame. The frame is the square, so all sides have the same lengths.
Use formula connecting the area of the square and the side length of the square.
Since the area ofthe square is 55 square inches, we have