Respuesta :

irspow
By the pythagorean theorem the diagonal length will be:

d^2=x^2+y^2  and since this is a square x=y so

d^2=2x^2 and since d=15

225=2x^2

x^2=112.5

x=√112.5 yds

x≈10.6 yds  (to nearest tenth of a yard)

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