PLEASE HELP 
Find the value of x and y. Write your answer in simplest radical form. 
                                             
                                          
                                          
                                        
											 
											Answer:
Y=10
x=14.14
Step-by-step explanation:
Because the two smaller angles are equal, it is an isosceles triangle with both legs equal in length.
so y=10
By the Pythagorean theorem, x^2=10^2+10^2
x^2=200
x=14.14