please click this link:http://upload.lsforum.net/users/public/q3499parallelgramo207.png
It is a parallelogram and I want to ask Why two shaded triangles' area are the SAME at the situation that no other clues are given.
parallelogram area question
2012-12-29 6:10 am
回答 (2)
2013-01-07 10:30 pm
✔ 最佳答案
Their area = (1/2) parallelogram area - the base white triangle area
圖片參考：http://upload.lsforum.net/users/public/q3499parallelgramo207.png
2013-01-13 3:56 am
Their area
= (1/2) trapezium area - the base white triangle area
= (1/2) trapezium area - the base white triangle area
收錄日期: 2021-04-21 22:27:12
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121228000051KK00437