cylinder

what word is 圆柱？

• cylinder

• circle

• diameter

• cone

when radius is halved, how does the circumference of circle change?

• does not change

• 2

when radius is halved, how does the area of circle change?

• does not change

• 2

When side expansion(侧面展开图) of cylinder is a square, it means_____

• c=s

• c=h

• d=h

• s=h

Find the lateral area of cylinder whose height is 3cm and base radius is 1cm

What is surface area?

• 表面积

• 侧面积

• 底面积

• 横截面积

• 25

• 0.25

• 2.5

• 0.025

• 188.4, 213.52

• 213.52, 188.4

• 106.76, 188.4

• 213.52, 106.76

测量一个鸡蛋的体积，用一个底面直径是8cm的圆柱形玻璃杯，实验如图，误差忽略不记，则鸡蛋的体积是多少立方厘米？

• 50.24

• 25.12

• 75.36

• 200.96