
If the cone has the same width with the cup, the height of the cone will be 6 inches.
The cup is cylindrical.
Therefore,
volume of the cup = πr²h
where
Hence,
volume of the cup = π × 1.5² × 2 = 4.5π
If the cone has the same width of the cup, the height of the cone can be calculated as follows;
4.5π  = 1  /3 πr²h
4.5π = 1 / 3 × π × 1.5² × h
4.5Ï€ = 0.75Ï€h
h = 4.5Ï€ / 0.75Ï€
h = 6 inches
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