Traditional Culture Encyclopedia - The 24 Solar Terms - Xiaohua wants to make a cloth cover for the kettle. How much cloth should he use at least? How much water can this kettle hold?

Xiaohua wants to make a cloth cover for the kettle. How much cloth should he use at least? How much water can this kettle hold?

(1) Side area of kettle: 3. 14× 10×20=628 (square centimeter),

Kettle bottom area: 3. 14×( 10÷2) 2,

=3. 14×5 2 ,

=78.5 (square centimeter)

Surface area of kettle: 628+78.5=706.5 (square centimeter);

Answer: At least 706.5 square centimeters of cloth should be used.

(2)3. 14×( 10÷2) 2 ×20,

=3. 14×5 2 ×20,

=3. 14×25×20,

= 1570 (cubic centimeter),

= 1.57 (liter);

A: This kettle can hold 1.57 liters.