Please help me find the measure to side a and the process to solve the problem 
Thank you appreciate it :)
                                             
                                          
                                          
                                        
											 
											Answer:
a =12
Step-by-step explanation:
sin theta = opposite side / hypotenuse
sin 29 = a /25
Multiply each side by 25
25 sin 29 = a/25 *25
25 sin 29 =a
12.12024051 =a
To the nearest whole number
12 =a