Answer:
Step-by-step explanation:
1/3
120º
angles of an equilateral triangle are equal so..
180 ÷ 3 = 60º
to get the exterior m⦣C
180 - interior m⦣C = exterior m⦣C
180º - 60º = 120º
4/7
2/7 x 3= 6/7. 6/7× 2/3=4/7
