“圆柱与圆锥”练习题

“圆柱与圆锥”练习 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 “圆柱与圆锥” 练习题 用券下载整式乘法计算练习题幼小衔接专项练习题下载拼音练习题下载凑十法练习题下载幼升小练习题下载免费 一、填空 1、4.02立方米,( )立方米( )立方分米 2.3立方米,( )升 2、把圆柱体的侧面沿高展开，可能得到一个( )形，也可能得到( )形。 3、一个圆柱的底面半径和高都是15厘米，那么这个圆柱的侧面积是( )平方厘米，表面积是( )平方厘米。 4、把一个半径2分米、长1米的圆木平均截成2段，表面积共增加( )平方分米。 5、把一个圆柱形木块削成一个最大的圆锥体，削去部分的体积是圆柱的( )，是圆锥的( )。 6、等底等高的圆柱和圆锥体积之和是36立方厘米，那么圆柱的体积是( )立方厘米，圆锥的体积是( )立方厘米。 7、把棱长是2分米的正方体木块削成一个最大的圆柱，这个圆柱的表面积是( )平方分米。 8、一个圆柱体的侧面积展开后是一个正方形，这个圆柱的高是底面直径的( )倍。 9、在一个高12厘米的圆锥体量杯内装满了水，如果将这些水倒入与它底面积相等的圆柱体量杯中，水面高( )厘米。 10、一根1.5米长的圆柱木料锯掉4分米长的一段后，表面积减少了50.24平方分米， 这根木料原来的侧面积是( )平方分米。 11、圆柱的底面半径扩大到原来的2倍，高不变，体积就扩大到原来的( )倍。 12、把一根5米长的圆柱形木料截成3段(每段都是圆柱)，表面积增加了37.68平方 分米，原来这根木料的体积是( )立方米。 二、判断。(对的打“?”，错的打“×”) 21、圆锥的体积比圆柱的体积小。 ( ) 3 2、一个圆柱的高是12厘米，它与一个圆锥的体积相等，底面积也相等。( ) 3、圆柱的体积是圆锥的3倍。 ( ) 4、从圆锥的顶点到底面上任意一点的距离叫做圆锥的高。 ( ) 5、长方体、正方体、圆柱体和圆锥的体积都等于它们各自的底面积×高。( ) 6、如果圆柱和圆锥的体积相等，那么圆锥和圆柱的底面积之比是3:1。( ) 7、两个圆柱和圆锥的体积相等，它们的底面积也一定相等。 ( ) 三、选择。(将正确 答案 八年级地理上册填图题岩土工程勘察试题省略号的作用及举例应急救援安全知识车间5s试题及答案 的番号填在括号内) 1、把一个圆柱削成一个最大的圆锥，如果圆锥的体积是32立方厘米，就要削去( )。 A、32立方厘米 B、64立方厘米 C、128立方厘米 D、256立方厘米 adership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, 2, to further improve research, solve thoroughly, not solid, the effect is not obvious. The major issues and enterprises it is a matter of security bureau year development, the vital interests of the problem, determine the research topic, by members of the Party led research. Basic research to see the truth, to the truth, do not say hello, not pre arranged. After the investigation to submit the research report. 3, insist on grassroots party members take the lead in implementing the line. <. In the construction of work style building long-term mechanism views > and < on the depth of the grassroots, the people, promoting harmony activities notice >, more mines and enterprises, solve the masses of grassroots leaders, mine is not enough. 4, contact a crowd. Combined with the "grassroots cadres contact farmers" activities and each cadres to contact a people, by 2、圆锥的侧面展开是一个( )。 A、长方形 B、正方形 C、圆 D、扇形 3、圆柱有( )条高，圆锥有( )条高。 A、1 B、2 C、3 D、无数 4、一个圆柱形水池，底面直径是8米，深2.5米。求这个水池的占地面积是多少平方米, 列式是( )。 22A、3.14×8×2.5 B、3.14 ×(8?2)×2 C、3.14 ×(8?2) 5、一个圆柱和一个圆锥的底面积相等，圆柱体和圆锥体的体积比是3:2，圆柱体和圆锥 体的高的比是( )。 A、1:2 B、1:3 C、3:1 D、2:1 6、有一个圆柱，底面直径是10厘米，若高增加2厘米，则表面积增加( )。 22 2 A、20cm B、62.8 cmC、141.3 cm 四、将下面的直角三角形分别绕两条直角边旋转一周，得到的立体图形的体积分别是多 少,(单位:厘米) 4cm 3cm 五、计算下列各题。(要求写出公式) 1、已知圆柱的底面周长是25.12cm，高是5 cm，求圆柱的表面积。 22、已知圆柱的侧面积是282.6 cm，底面半径是5 cm，圆柱的体积。 adership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, 2, to further improve research, solve thoroughly, not solid, the effect is not obvious. The major issues and enterprises it is a matter of security bureau year development, the vital interests of the problem, determine the research topic, by members of the Party led research. Basic research to see the truth, to the truth, do not say hello, not pre arranged. After the investigation to submit the research report. 3, insist on grassroots party members take the lead in implementing the line. <. In the construction of work style building long-term mechanism views > and < on the depth of the grassroots, the people, promoting harmony activities notice >, more mines and enterprises, solve the masses of grassroots leaders, mine is not enough. 4, contact a crowd. Combined with the "grassroots cadres contact farmers" activities and each cadres to contact a people, by 3、已知圆锥的底面周长是37.65 dm，高是1.2 dm，求圆锥的体积。 六、解决问题。 21、一个长方体铁块，长8 cm，宽6 cm，高10 cm，把它熔铸成一个底面积是80 cm 的圆锥，这个圆锥的高是多少厘米, 2、一个底面半径是12 cm，高是16 cm的圆锥形容器里装满水，如果把这些水倒入一个 底面直径是8 cm，高是50 cm的圆柱形容器里，水面高多少厘米,(容器厚度忽略不 计) 3、豆豆家有一个圆柱形鱼缸，从里面量底面直径是30 cm。爸爸在鱼缸里放入珊瑚(全部浸入水里，水没有溢出)，水面由原来的25cm上升到28 cm。请你计算珊瑚的体积。 adership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, 2, to further improve research, solve thoroughly, not solid, the effect is not obvious. The major issues and enterprises it is a matter of security bureau year development, the vital interests of the problem, determine the research topic, by members of the Party led research. Basic research to see the truth, to the truth, do not say hello, not pre arranged. After the investigation to submit the research report. 3, insist on grassroots party members take the lead in implementing the line. <. In the construction of work style building long-term mechanism views > and < on the depth of the grassroots, the people, promoting harmony activities notice >, more mines and enterprises, solve the masses of grassroots leaders, mine is not enough. 4, contact a crowd. Combined with the "grassroots cadres contact farmers" activities and each cadres to contact a people, by 4、一堆沙子呈圆锥形，它的底面半径是2米，高是1.5米，要把这些沙子均匀地铺在长 4米，宽2米的沙坑里，可以铺多厚, 5、一个用黄铜制成的圆锥，质量是77.244克，底面半径是3 cm。若每立方厘米黄铜重 8.2克，这个圆锥的高是多少厘米, 6、一个高为20厘米的圆柱体，如果它的高增加2厘米，那么它的表面积就增加125.6 平方厘米。求原来这个圆柱体的体积。 7、一个圆柱形油桶，装入半桶油，再倒出40%，还剩12升，若油桶的底面积是10平方 分米，则油桶高是多少, adership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, 2, to further improve research, solve thoroughly, not solid, the effect is not obvious. The major issues and enterprises it is a matter of security bureau year development, the vital interests of the problem, determine the research topic, by members of the Party led research. Basic research to see the truth, to the truth, do not say hello, not pre arranged. After the investigation to submit the research report. 3, insist on grassroots party members take the lead in implementing the line. <. In the construction of work style building long-term mechanism views > and < on the depth of the grassroots, the people, promoting harmony activities notice >, more mines and enterprises, solve the masses of grassroots leaders, mine is not enough. 4, contact a crowd. Combined with the "grassroots cadres contact farmers" activities and each cadres to contact a people, by