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Problem 351: (2002 AMC12P, 24)
Let $ABCD$ be a regular tetrahedron and Let $E$ be a point inside the face $ABC.$ Denote by $s$ the sum of the distances from $E$ to the faces $DAB, DBC, DCA,$ and by $S$ the sum of the distances from $E$ to the edges $AB, BC, CA.$ Then $\frac{s}{S}$ equals $\text{(A) }\sqrt{2} \qquad$ $ \text{(B) }\frac{2 \sqrt{2}}{3} \qquad$ $ \text{(C) }\frac{\sqrt{6}}{2} \qquad$ $ \text{(D) }2 \qquad$ $ \text{(E) }3$
Solution
Exercise 351: Solution
Let $ABCD$ be a regular tetrahedron with edge length $6$, and let $E$ be any point inside it. What is the sum of the distances from $E$ to the four faces of the tetrahedron?
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