3.One side of a triangle has length 8 and a second side has length 5.Which of the following could be

题目

3.One side of a triangle has length 8 and a second side has length 5.Which of the following could be the area of the triangle?
I 24
II 20
III 5
A.I only
B.II only
C.III only
D.II and III only
E.I,II and III

答案

这个题目是说,已知一个三角形有两边分别长8和5,问面积可能是下面的哪种? 因为题目中未解释这个三角形的形状,所以,第三边可以是大于3小于13的任意长度. 如果以长度5的边为底边,其一端为圆心,长度8的边为半径做...