Answer:
240
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Answer:
The length side of the original square banner was 9 ft
Step-by-step explanation:
Let
x-----> the length side of the original square banner
we know that
The new area of the banner is equal to

Solve for x

Solve the quadratic equation by graphing
The solution is x=9 ft
see the attached figure
Answer:

Step-by-step explanation:
step 1
Convert mixed number to an improper fraction

step 2
Using proportion

step 3
Convert to mixed number

Answer:
The total length of the border is 
Step-by-step explanation:
we know that
The circumference of a circle is equal to

we have

assume

substitute
