A scalene Triangle With a Side A 12m Long Side B 5m long and one angle which is opposite length A at 2.1 rad
help with knowing the rest of the angles in degrees and also the other side please
A scalene Triangle With a Side A 12m Long Side B 5m long and one angle which is opposite length A at 2.1 rad
help with knowing the rest of the angles in degrees and also the other side please
Or you could use the cosine law: $\displaystyle a^2= b^2+ c^2- 2bc cos(A)$ with a= 12, b= 5, and A= 2.1 to get a quadratic equation to solve for c. Note that there may be two different values for c and so two different triangles.