Solve for x 
please I need the answer the picture shows the question
                                             
                                          
                                          
                                        
											 
											Answer:
The rounded answer is 11
Step-by-step explanation:
a-squared + b-squared = c-squared
8-squared + 7-squared = c-squared
64 + 49 = c-squared
area-113 (the check mark symbol thing)