Answer :

[tex]8.10in^2=52.25796cm^2 [/tex]

[tex]1 in^2=6.4516cm^2[/tex]

[tex]8.10in^2*6.4516cm^2/1 in^2[/tex]

[tex]8.10in^2*6.4516cm^2= 52.25796 cm^2[/tex]

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