Answer:
120
Step-by-step explanation:
Answer: 2/3
2d+3d-2d+4d= 9d-16
2d is cancelled
3d+4d=9d-16
7d=9d-16
16=9d-7d
16=2
16/2
d=8
4 squares make up a triangle so divide the degrees if the square by the triangle.
2
3/8+3/4+7/8
=3/8+6/8+7/8
=16/8
=2
