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Grade: 12th pass

                        

2. AD is an altitude of an isosceles triangle ABC in which AB = AC. Show that Ci) AD bisects BC (U) AD bisects LA

2. AD is an altitude of an isosceles triangle ABC in which AB = AC. Show that
Ci) AD bisects BC (U) AD bisects LA

one month ago

Answers : (1)

Pawan Prajapati
askIITians Faculty
5328 Points
							Consider triangles ABD and ACD, 


We have AB = AC [Given] 
AD = AD [Common] LADB = LADC [90° each] MBD :::: MCD [RHS rule) 

.LDhc 

(i) .• BD = CD [CPCT] 
AD bisects BC. 

(ii) and LBAD = LCAD 
AD bisects LBAC, i.e., LA 


						
one month ago
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