亚洲男人天堂av,国产一区二区久久精品,国产精品一区二区久久精品,国产精品久久久久久一区二区三区,五月婷婷在线观看视频,亚洲狠狠色丁香婷婷综合

歡迎您訪問數學考題練習:把矩形繞著一邊旋轉一周,圍成的幾何體是!

數學考題練習:把矩形繞著一邊旋轉一周,圍成的幾何體是

更新時間:2024-01-12 16:32:08作者:貝語網校

把矩形繞著一邊旋轉一周,圍成的幾何體是

A.圓柱

B.正方體

C.圓錐

D.球

試題答案

A

試題解析

根據面動成體的原理,矩形繞著一邊旋轉一周,得到底面是圓的柱體,即圓柱.

解答:把矩形繞著一邊旋轉一周,圍成的幾何體是圓柱.

故選A.

點評:本題主要考查了旋轉的性質,解決本題的關鍵是掌握各種面動成體的特征.

為您推薦

數學考題練習:平面直角坐標系中,已知M(2,1)、N(2,6

平面直角坐標系中,已知M(2,1)、N(2,6)兩點,過反比例函數y=的圖象上任意一點P作y軸的垂線PG,G為垂足,O為坐標原點.若反比例函數y=的圖象與線段MN相交,則△OGP面積S的取值范圍是A.≤S≤3B.1≤S≤6C.2≤S≤12D

2024-01-12 16:32

數學考題練習:2006年我國自行研制的第三代戰機殲-10橫空

2006年我國自行研制的第三代戰機殲-10橫空出世,其飛行速度超過2.4倍音速,達到2947.6千米/時,該數據用科學記數法表示為(保留兩個有效數字)A.3×103B.3.0×103C.2.9×103D.2.9×104

2024-01-12 16:32

數學考題練習:如圖,△ABC是等邊三角形,P是∠ABC的平分

如圖,△ABC是等邊三角形,P是∠ABC的平分線BD上一點,PE⊥AB于點E,線段BP的垂直平分線交BC于點F,垂足為點Q.若BF=2,則PE的長為A.2B.2C.D.3

2024-01-12 16:32

數學考題練習:衢州市新農村建設推動了農村住宅舊貌變新顏,如圖

衢州市新農村建設推動了農村住宅舊貌變新顏,如圖為一農村民居側面截圖,屋坡AF、AG分別架在墻體的點B、點C處,且AB=AC,側面四邊形BDEC為矩形.若測得∠FAG=110°,則∠FBD=A.35°B.40°C.55°D.70°

2024-01-12 16:32

數學考題練習:如果=-1,則a的取值

如果=-1,則a的取值A.a<0B.a≤0C.a≥0D.a>0

2024-01-12 16:32

數學考題練習:如圖,P是∠BAC的平分線AD上一點,PE⊥A

如圖,P是∠BAC的平分線AD上一點,PE⊥AB于E,PF⊥AC于F,下列結論中不正確的是A.PE=PFB.AE=AFC.△APE≌△APFD.AP=PE+PF

2024-01-12 16:32

加載中...
主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |