Q9 (a) In the figure (i) given below, ∠B < ∠A and ∠C < ∠D. Show that AD < BC.
 
 (b) In the figure (ii) given below, D is any point on the side BC of ∆ABC. If AB > AC, show that AB > AD.
 
 
                    
                    
            
            Solution
 
                