Answer:
Y= 60 degrees.
Step-by-step explanation:
A traingle's three angles always equals 180 degrees. since the singular line on the triangle on the right mean the side are equal, the angles are also equal. 180 divided by 3 equals 60 degrees.
option 3
hope it helps!!!!!
n = 6 3/7 or 45/7
cross-multiply
7n = 45
n = 45/7 or 6 3/7
