Step-by-step explanation: 2+4+3=9 sum of all angles of a triangle are=180 degree 2/9*180=40 degree 4/9*180=80 degree 3/9*180=60 degree Reply
Step-by-step explanation:
2+4+3=9
sum of all angles of a triangle are=180 degree
2/9*180=40 degree
4/9*180=80 degree
3/9*180=60 degree