问题
选择题
将学校的圆形花坛按1:200画在图纸
(1)图纸上花坛的面积与实际面积的比是 [ ]
A.1:200
B.1:400
C.1:40000
D.1:628
(2)周长的比是[ ]
A.1:200
B.1:400
C.1:40000
D.1:628
答案
答案:C
将学校的圆形花坛按1:200画在图纸
(1)图纸上花坛的面积与实际面积的比是 [ ]
A.1:200
B.1:400
C.1:40000
D.1:628
(2)周长的比是[ ]
A.1:200
B.1:400
C.1:40000
D.1:628
答案:C