Write a program that prompts the user to enter the lengths of the side of a triangle and prints its three angles. The calculation of the angle values should take place in a separate method. You will pass the three side lengths as parameters to the method and it will return the angle as the result. You will have to call the method three times (once for each angle). Round your answers to two decimal places. If the lengths of all three sides of any triangle are known the three angles can be calculated as follows: \alpha =\arccos \left({\frac {b^{2}+c^{2}-a^{2}}{2bc}} ight) \beta =\arccos \left({\frac {a^{2}+c^{2}-b^{2}}{2ac}} ight) \gamma =\arccos \left({\frac {a^{2}+b^{2}-c^{2}}{2ab}} ight)