The gift

How much wrapping paper is needed to wrap a cube-shaped gift with an edge measuring 15 cm?

Correct answer:

x =  1350 cm²

Step-by-step explanation:

$$\begin{gathered} a=15\text{ cm } \\ x=6\cdot a^2=6\cdot 15^2=1350{\text{cm}}^2 \end{gathered}$$

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