The angle given looks like 36 degrees. If that's not right, let me know.
Then, using the law of cosines
b^2 = 26^2 + 18^2 - 2(26)(18)cos36
b^2 = 1000 - 963cos36
b^2 = 242.76
b = 15.58
the degree is 26
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?