Answer:algebra ok
Step-by-step explanation:
The formula of an area of a square:

a - a side
We have 
substitute:

Used:

Answer:
i really wish i can help u but i dont know the answer
Step-by-step explanation:
Multiply 140 on both sides to get "x" by itself


8 = x
Answer:
A. 131deg
B. 49deg
C. 131deg
Step-by-step explanation:
180-49=131deg
Opposite congruent angles are equal