If A B which of the following relationships can be proved an
If A B, which of the following relationships can be proved and why?
Solution
as per the given figure this can be easily seen that ,
angle A=angle B(given)
ang ADC=ang BDC(both90)
CD=DC(common to both triangles)
by these three triangles ACD is congruent to BCD by SAS congruence rule.

