Q1.
圖片參考：http://imgcld.yimg.com/8/n/HA00564375/o/701201110089113873420480.jpg
上圖a+b+c+d=?
Q2.
圖片參考：http://imgcld.yimg.com/8/n/HA00564375/o/701201110089113873420481.jpg
求x,y(要有詳細步驟)
2條中二數學
2012-01-12 6:42 am
回答 (2)
2012-01-12 7:15 am
2012-01-12 7:09 am
Sorry I learn English math, but hopefully you understand:)
Q. 1
c+d=180-(a+b) (ext. < of a triangle)
c+d+a+b=180
Therefore, a+b+c+d=180 degrees
Q. 1
c+d=180-(a+b) (ext. < of a triangle)
c+d+a+b=180
Therefore, a+b+c+d=180 degrees
收錄日期: 2021-04-25 13:26:04
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120111000051KK00891