180=2x+y
180-y=2x
(180-y)/2=x
Answer:
2,7
Step-by-step explanation:
Answer: 
Step-by-step explanation:

Answer:
3.2 is the answer. Your welcome
Answer:
The wide of river is 
Step-by-step explanation:
In this problem we know that
Triangles DEG and DEF are congruent by ASA (Angle-Side-Angle) Congruence
therefore
EG=EF
