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Problem 11

Geometry Difficulty 1.0 Find the answer CEMC Fermat · Canada · 2005

A cylinder with radius 2 cm and height 8 cm is full of water. A second cylinder of radius 4 cm and height 8 cm is empty. If all of the water is poured from the first cylinder into the second cylinder, the depth of the water in the second cylinder will be

(A) $1\text{ cm}$ (B) $2\text{ cm}$ (C) $3\text{ cm}$ (D) $4\text{ cm}$ (E) $6\text{ cm}$

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