Q8:
A certain right triangle has sides of length x, y, and z, where x < y < z. If the area of this triangular region is 1, which of the following indicates all of the possible values of y ? A. y > 根号2 B. 根号3/2< y <根号2 C. 根号2/3< y <根号3/2 D. 根号3/4< y <根号2/3 E. y < 根号3/4
怎么解?不好意思,根号符号表达不出来,用文字代替了。 |