图示手柄的平面图形,画圆弧的顺序依次为( )。[img=733x354]1803e274c76f2f2.png[/img]
A: R15、R12、R50、R10
B: R15、R10、R50、R12
C: R10、R12、R15、R50
D: R15、R10、R12、R50
A: R15、R12、R50、R10
B: R15、R10、R50、R12
C: R10、R12、R15、R50
D: R15、R10、R12、R50
举一反三
- 图示手柄的平面图形,画圆弧的顺序依次为( )。[img=426x215]1803c0d811612fd.jpg[/img] A: R15、R12、R50、R10 B: R15、R10、R50、R12 C: R10、R12、R15、R50 D: R15、R10、R12、R50
- 下图右边圆弧,最先画的两段圆弧是哪两段?[img=459x219]1803255436ee941.jpg[/img] A: R15,R12 B: R15,R10 C: R50,R12 D: R10,R50
- 下图右边圆弧,最先画的两段圆弧是哪两段?[img=459x219]1803255456c8226.jpg[/img] A: R15,R12 B: R15,R10 C: R12,R50 D: R50,R10
- 设A,B,C,D是4个四阶矩阵,其中A≠0,|B|≠0,|C|≠0,D≠0,且满足ABCD=0,若r(A)+r(B)+r(C)+r(D)=r,则r的取值范围是()。 A: r<10 B: 10≤r≤12 C: 12<r<16 D: 10≤r<16
- 两柱面\( {x^2} + {y^2} = {R^2} \) ,\( {x^2} + {z^2} = {R^2} \) 所围立体体积为( ) A: \( 8{R^2} \) B: \( 10{R^2} \) C: \( 12{R^2} \) D: \( 16{R^2} \)