標題範例:Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
If triangle ABC above is congruent to triangle DEF (not shown), which of the following must be the length of one side of triangle DEF?
(A) 18
(B) 24
(C) 3√6
(D) 6√3
(E) It cannot be determined from the information given
謎底:D
【剖析】