OpenStudy (anonymous):

I figured out everything except for the length of c!

2 years ago
OpenStudy (anonymous):
2 years ago

hartnn (hartnn):

how did you calculate c ?

2 years ago
OpenStudy (anonymous):

so I set up sin30=3/c, then multiplied 3*sin30.. since sin of 30=1/2, i multiplied 3*1/2

2 years ago
hartnn (hartnn):

|dw:1443983437926:dw|

2 years ago