Learn more about this theorem used for right triangles at our Pythagorean theorem calculator What we'll be doing is calculating the hypotenuse of the triangle formed by the three eyelets involved in this pattern, as shown below: For our example above, we can use the Pythagorean theorem to solv...
阴影部分面积是多少? | 看到几何题,看着挺复杂,转化一下就很简单了,关键是看出最外层的5个梯形面积相等。第二个方法就很直接了,直接用Shoelace theorem,很通用😄#美国数学竞赛 发布于 2023-05-08 20:22・IP 属地上海 分享 收藏 写下你的评论... ...
^Geometry for Enjoyment and Challenge section 16.2 ^Shoelace Theorem,Art of Problem Solving Wiki. ^IMSA JHMC Guide, Page. 10 "Shoelace" by Cindy Xi
in the counterclockwise direction, then the above determinants are positive and the absolute value signs can be omitted;[4]if they are labeled in the clockwise direction, the determinants will be negative. This is because the formula can be viewed as a special case ofGreen's Theorem. ...