Rectangle vs square

The rectangle has dimensions of 13 × 10, square 8 × 8. Which shape has more area and how much above?

Result

rectangle

square

Δ S =  66

Step-by-step explanation:

$$\begin{gathered} S_1=13\cdot 10=130 \\ {S}_2=8\cdot 8=64 \\ {S}_1>S_2 \end{gathered}$$

$\mathrm{\Delta }S=S_1-S_2=66$

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