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in 3D Coordinate Geometry by (3.3k points)
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Find the distance from the origin to (6, 6, 7).

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Best answer

The origin is O(0,0,0). So, the distance of P(6, 6,7) from O(0,0,0) is

PO = 

\({\sqrt{{(x_1-x_2)}^{2}+(y_1-y_2)^{2}+(z_1-z_2)^{2}}}\\={\sqrt{{(6-0)}^{2}+(6-0)^{2}+(7-0)^{2}}} \\=\sqrt{72+49}\\=\sqrt{121}\\=11\)

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