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For the circle(x - l)2 +(y + l)2= 20 in the xy-plane, find the following. (a)Coordinates of the center (b)Radius (c)Area
For the circle(x - l)2 +(y + l)2= 20 in the xy-plane, find the following. (a)Coordinates of the center (b)Radius (c)Area
admin
2015-04-10
38
问题
For the circle(x - l)
2
+(y + l)
2
= 20 in the xy-plane, find the following.
(a)Coordinates of the center
(b)Radius
(c)Area
选项
答案
20π
解析
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