单项选择题


If the perimeter of the rectangle above is36,then l=()

A. 9
B. 14
C. 16
D. 28
E. 32

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单项选择题
In the coordinate plane,points A and B are endpoints of a diameter of a circle with center(-2,1).If the coordinates of A are(-5,5),what are the coordinates of B()

A. (0,0)
B. (3,-2)
C. (3,-1)
D. (2,-2)
E. (1,-3)

单项选择题
What fraction of a cubic meter is the volume of a cubic block Of stone with edge of length 10 centimeters()(1 meter=100centimeters)

A.A
B.B
C.C
D.D
E.E

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