# Triangle And Line

Geometry Level 4

Let $$T$$ be the triangle with vertices $$(14, 0, 0)$$, $$(0, 21, 0)$$, and $$(0, 0, 42)$$.

Line $$\ell$$ goes through the origin $$O$$ and intersects $$T$$ perpendicularly in point $$P$$.

Determine the distance $$OP$$.

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