Answer:
2+2=4
Step-by-step explanation:
Answer:
The length of the fence that encloses the park is 400 m
Step-by-step explanation:
step 1
Find the length of the square city park
we know that
The area of a square is

where
b is the length side of the square
we have

substitute and solve for b

take square root both sides

step 2
Find out the length of the fence that encloses the park
we know that
The length of the fence is equal to the perimeter of the square city park
The perimeter of the square is

we have

substitute

therefore
The length of the fence that encloses the park is 400 m
You just have to multiply $8.50 by 1.065.
So, the answer is 9.0525 or about $9.05
Answer:
a has 89 and b has 58
Step-by-step explanation: