Use the law zines to solve the triangle if possible B=31 C =23 b=22?

[匿名]

2016-11-18 2:56 am

回答 (2)

用戶55769

2016-11-18 5:19 am

b/sin 31 = c/sin 23
22 sin 23 = c sin 31
c
= 22 sin 23 / sin 31
= 22 (0.6245814362118149)
= 13.74

👍 0 👎 0

用戶57802

2016-11-18 2:59 am

A= 126 degrees
c/sin23 = 22/sin31 = a/sin126
solve for c , a

👍 0 👎 0

收錄日期: 2021-04-23 23:45:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20161117185629AAQeS3S

檢視 Wayback Machine 備份