Question
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Kelly glues unit cubes together by matching a face to
another face to create the open-top box shown. The
box has a bottom made of cubes. What is the total
number of cubes used to create this box?

Ask by Pope Macdonald. in the United States
Jan 05,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

The box uses a total of 17 unit cubes.

Solution

To determine the total number of unit cubes used to create Kelly’s open-top box, let’s break down the construction assuming a typical open-top rectangular box structure.
  1. Bottom Layer:
    • The bottom of the box is made up of a layer of unit cubes. Suppose the bottom is a grid. This layer would consist of:
  2. Walls:
    • Since the box is open-top, we need to add the walls around the perimeter. Each wall would be one unit high. For a base, each of the four sides would require 2 additional unit cubes (excluding the corners which are already part of the bottom layer):
  3. Total Count:
    • Adding the bottom layer and the walls together:
Therefore, the total number of unit cubes used to create the open-top box is 17.
Answer: 17

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Bonus Knowledge

To calculate the total number of unit cubes used to create the open-top box, we first need to determine the dimensions of the box. Let’s say the box’s base has dimensions (length x width) and the height of the box is .
The base of the box consists of cubes, forming the bottom layer. Since it’s an open-top box, the height would dictate how many additional layers of cubes are placed on top of the base, specifically forming layers for the sides if we consider cubes from each layer.
Thus, the total volume (or the total number of unit cubes) in an open-top box can be calculated using the formula:
This can be simplified to:
Once you know the dimensions of the box, substitute , , and into this formula to find the total number of cubes used in constructing the box.
Do you have specific dimensions for the box? If so, plug those values into the equation, and you’ll get your answer!

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