A triangle has A = 60o,b = 20,and c = 30.What is the measure

A triangle has A = 60o,b = 20,and c = 30.What is the measure of C in degrees to one decimal plac
2,In solving ABC triangles,the uppercase letters or Greek letters usually indicate the ________
这是两道题,他们之间没有什么联系,实在不会做了,
b4qeqgu 1年前 已收到1个回答 举报

麻故韩涂 幼苗

共回答了19个问题采纳率:105.3% 举报

第一题先用余弦定理求出a边,再用正弦定理求角C.第二题怎么只一半,而且我愣是没看明白.

1年前

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