How do you solve a triangle if you are given A= 135 degrees, b = 4, c = 9?
↳Redirected from
"What does Hess's law say about the enthalpy of a reaction?"
1 Answer
Apr 22, 2015
You'd like to use the law of sines because it is simpler. However, in order to use it, you need to know an angle and its opposite side. So you'd need to know
Use the law of cosines to find
