问题
填空题
一个圆柱体的底面半径是5cm,侧面展开是一个正方形,这个圆柱的体积是______.
答案
2×3.14×5=31.4(厘米),
3.14×52×31.4,
=78.5×31.4,
=2464.9(立方厘米);
答:这个圆柱的体积是2464.9立方厘米;
故答案为:2464.9立方厘米.
一个圆柱体的底面半径是5cm,侧面展开是一个正方形,这个圆柱的体积是______.
2×3.14×5=31.4(厘米),
3.14×52×31.4,
=78.5×31.4,
=2464.9(立方厘米);
答:这个圆柱的体积是2464.9立方厘米;
故答案为:2464.9立方厘米.
根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 | |
Charley: Come on, Steve. 1 Steve: Wait a minute. 2 Charley: OK. Steve: By the way, can we give my sister a ride home tonight? Charley: Sure. 3 Steve: Yeah. She wants to take some pictures. Charley: 4 Steve: Yeah. She'd like to work for a newspaper someday. Charley: But I think it might be difficult for her to succeed. 5 | |
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