Referring to the figure, the circle shown is drawn on grids. Find
A ÷ r and A ÷ r2.
 a. 5.4, 3 c. 10.3, 2.9
 b. 12.6, 4.2 d. 10.9, 3.1 please explain
                                             
                                          
                                          
                                        
											 
			                  