
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A cylindrical water tank is 20 feet tall, and its circular bases have diameters of 6 feet each. When the tank is lying flat on its side, the water inside it reaches a depth of 4 feet from the bottom. Calculate how deep, in feet, the water would be if the tank were standing upright on one of its bases. Express your answer as a decimal to the nearest tenth.

Present the answer in LaTex format: \boxed{Your answer}
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