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> 用平面截几何体可得到平面图形,在表示几何体的字母后填上它可截出的平面图形的号码.如A(1、5、6);则B(______);C(_____);D(_____);E(_____).-七年级数学
用平面截几何体可得到平面图形,在表示几何体的字母后填上它可截出的平面图形的号码.如A(1、5、6);则B(______);C(_____);D(_____);E(_____).-七年级数学
题目简介
用平面截几何体可得到平面图形,在表示几何体的字母后填上它可截出的平面图形的号码.如A(1、5、6);则B(______);C(_____);D(_____);E(_____).-七年级数学
题目详情
用平面截几何体可得到平面图形,在表示几何体的字母后填上它可截出的平面图形的号码.
如A(1、5、6);则B(
______
);C(
_____
);D(
_____
);E(
_____
).
题型:解答题
难度:中档
来源:河北省期中题
答案
解:B三棱锥,截面有可能是三角形,正方形,梯形
C正方体,截面有可能是三角形,四边形(矩形,正方形,梯形),五边形,六边形
D球体,截面只可能是圆
E圆柱体,截面有可能是椭圆,圆,矩形,梯形
因此应该写B(1、3、4);C(1、2、3、4);D(5);E(3、5、6).
上一篇 :
I have ________ French. What
下一篇 :
This is _____ interesting a
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题目简介
用平面截几何体可得到平面图形,在表示几何体的字母后填上它可截出的平面图形的号码.如A(1、5、6);则B(______);C(_____);D(_____);E(_____).-七年级数学
题目详情
如A(1、5、6);则B( ______);C( _____);D( _____);E( _____).
答案
C正方体,截面有可能是三角形,四边形(矩形,正方形,梯形),五边形,六边形
D球体,截面只可能是圆
E圆柱体,截面有可能是椭圆,圆,矩形,梯形
因此应该写B(1、3、4);C(1、2、3、4);D(5);E(3、5、6).