Question

in ∆ABC,AB=BC and angle B = 65° Find c

Answer 1

angle C = 65 degree
as AB = BC 
therefore angle B = angle C

Answer 2

hi frnd
^ let it be the symbol of triangle
=)in ^ the sum of all angles is 180
=) A+B+C =180
=)x+x +65 =180
=)2x = 180 -65
=)x= 115 /2
=) x= 57.5