Answer:
a°+110°=180°[ being linear pair]
a°=180-110
a°=70°
b°=a°=70°[ being base of equilateral triangle]
c+b+a=180[being interior angle of triangle]
c+70+70=180
c+140=180
c=180-140
c=40
b
3.6m questions
4.5m answers