Answer: Third option.
Step-by-step explanation:
You need to find the surface area with the formula for calculate the surface area of a rectangular prism:
Where w is the width, l is the length, and h is the height.
You can observe in the figure that:
Then, substituting the values into the formula , you get that minimum amount of cardboard used for the wrapper is:
Answer:
Step-by-step explanation:
Answer:
1.6666666666667
Step-by-step explanation: