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Answer :

Rorycampbell0721go

Answer:

[tex]3\sqrt{5}[/tex] units

Step-by-step explanation:

Use the Pythagorean Theorem to find the diagonal:

You have that the sides are 3 and 6, so a = 3 and b = 6, which means:

[tex]3^2 + 6^2 = c^2\\9 + 36 = c^2\\45 = c^2\\c = 3\sqrt{5}[/tex]

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