18. The figure above shows the dimensions of a rectangular board that is to be cut into four identical pieces by making cuts at points A, B, and C, as indicated. If x = 45, what is the length AB ?
(1 foot = 12 inches)
(A) 5 ft 6 in
(B) 5 ft in
(C) 5 ft 3 in
(D) 5 ft
(E) 4 ft 9 in
答案
我算的是8.不是选项中的答案.作者: tongxun 时间: 2003-2-25 16:48
没看明白题目。是OG的题目吗？那一题？作者: joywzy 时间: 2003-2-25 16:56
不是,是新东方的数学PS的section 25-18.
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