Tolong bantu yah bingung nyari keliling nya?

[tex]\displaystyle \text{K}_\circ=\pi d\\22=\frac{22}7\cdot d\\7\,\text{cm}=d\\\\\text{K}_{\square}=4s\\\text{K}_{\square}=4d\\\text{K}_{\square}=4\cdot7\\\boxed{\boxed{\text{K}_{\square}=28\,\text{cm}}}[/tex]