The actual area is 454.1 ft.
You can use a ratio to find the actual diameter:
18cm/3cm = x/4ft.
x = 24 ft.
Then find the area using A=pi*r^2
A=pi*144
A=452.4 ft.
Answer:
C. c+0.15c
Step-by-step explanation:
Raising her rate by 15% is equivalent to adding 15% of what she charged before to the original price.
Answer:
9.16
Step-by-step explanation:
It's hundreds so you have to move the decimal place two times