Answer:
A. is correct so, -5
Step-by-step explanation:
Have a good day.
Simplified the answer is in decimal form 0.00000026.
Answer:

Step-by-step explanation:
We are given that
Length of rope=l=160 feet
Radius of quadrant of circle=r=160 feet
We have to find the maximum grazing area of the cow.
We know that
Area of quadrant of circle=
Where 
Using the formula
Area grazed by cow=
Area grazed by cow=