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The answer to the first volume of the sixth grade master of mathematics
Radius of cylinder bottom: 6.28÷2÷3. 14= 1 (cm)

Bottom area: 3.14×1×1= 3.14 (square centimeter).

Cylinder volume: 3. 14× 6 = 18.84 (cubic centimeter)

Cone height: 18.84×3÷ 15=3.768 (cm).

Satisfied, please adopt.

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