标题: 请教一道几何题 [打印本页] 作者: TeamCancer 时间: 2010-3-17 14:12 标题: 请教一道几何题 On the xy-coordinate plane, what is the area of a right triangle, one side of which is defined by the points (2,3) and (-4,0)?
(1) the triangle's sides across the y-axis at exactly two points altogeter (2) the y-coordinate of the third vertex of the triangle is zero