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A cylindrical bucket with a bottom radius of 20 cm is filled with water. Immerse a conical shot with a surface radius of 3cm into the water, and the water level will rise 1cm. How high is the shot put?

Area of cylindrical barrel bottom: 3. 14×20×20= 1256 cubic centimeters.

Volume of cone shot put:1256×1=1256 cubic centimeters.

Height of shot put:1256 ÷1256 ÷1/3 = 3cm.

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