Trademark paper is stuck on the side of the cylindrical tea barrel. The radius of the bottom of the cylinder is 5cm and the height is 20cm. The area of this trademark paper is 628 square centimeters, and the volume of this tea bucket is 785 cubic centimeters.

1. Trademark area

2x5x3. 14x20=628 cm2

2. Volume

3. 14x5x20 = 785 cubic centimeters

draw

A cylinder is a geometric body formed by taking the straight line of one side of a rectangle as the rotation axis and the other three sides rotating around the rotation axis once. It has two parallel circular bottoms with the same size and 1 curved sides. Its lateral spread is rectangular.