Answer :
,H + <T = 180 ;
2x + 60 + x + 30 = 180 ;
3x + 90 = 180;
3x = 90;
x = 30 ;
<T = 60 ;
T and A are congruent angles ;
<A = 60
First choice is the right answer !
2x + 60 + x + 30 = 180 ;
3x + 90 = 180;
3x = 90;
x = 30 ;
<T = 60 ;
T and A are congruent angles ;
<A = 60
First choice is the right answer !