area formula for a triangle 在 Area of a Triangle, Given 3 Sides, Heron's Formula - YouTube 的評價 ... <看更多>
area formula for a triangle 在 Where does this formula for area of a triangle come from? 的評價 Everything in your post is consistent with the diagram below, in which c+d=e, or c=e−d, hence c2=(e−d)2=e2−2de+d2. and, by the Pythagorean theorem, ... ... <看更多>
