Respuesta :

First find diagonal of base D =√( 10^2 + 10^2)= √200

Then find diagonal lenght L = √ (D^2 + 10^2) = √ (200 + 100) =√300

L= √300 = √3•√100 = √3• 10

L= √3•10 = 10•√3 (by conmutative property)

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