Digital ACT Math Practice Question #2099
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3D Pythagorean Theorem: $d = \sqrt{l^2 + w^2 + h^2} = \sqrt{16+9+144} = \sqrt{169} = 13$.
The length of the interior space diagonal is given by $d = \sqrt{l^2 + w^2 + h^2} = \sqrt{4^2 + 3^2 + 12^2} = \sqrt{16 + 9 + 144} = \sqrt{169} = 13$....
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