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# Surface Area

A spherical balloon is inflated until its volume becomes 27 times its original volume. How much does its surface area increase?

**Note:** The above figure is not drawn to scale.

**Note:** The above figure is not drawn to scale.

**Note:** A tiling is a non-overlapping arrangement of tiles covering the entire surface area with no gaps. The above figure is not drawn to scale.

**Note:** The above figure is not drawn to scale.

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