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Math Squid Game diagram.
Solution
To calculate the area of the blue part of the squid Game diagram, let’s divide the problem into three parts like it is shown in the next figures .
blue area = (triangle area – green area) + small rectangle area + (big rectangle area – semi circle area)
\[\begin{aligned}
&=\left(\frac{10 \cdot 5}{2}-\frac{\pi \cdot 2^{2}}{4}\right)+2 \cdot 1+\left(5 \cdot 10-\frac{\pi \cdot 2^{2}}{2}\right) \\\\
&=25-\pi+2+50-2\pi \\\\
&=77-3 \pi
\end{aligned}\]
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