Question

An empty box is shaped like a rectangular prism. The box has a base area of `9/10` square foot and a height of `1/3` foot. How much packing material is required to fill the box?

Answer 1

total lateral area

\[A_{lateral} = 4×\frac{ 1 }{ 4 } = \frac{ 4 }{ 4 }= 1 ft^2\]

\[A_{total} = A_{lateral} + A_{base} + A_{topside}\]

\[A_{total} = 1+\frac{ 9 }{ 10 } +\frac{ 9 }{ 10 }= \frac{ 28 }{ 10 } = \frac{ 14 }{ 5 }= 2\frac{ 4 }{ 5 }ft^2\]

Answer 2

@AZ opinion pls - ty