Answer:

Step-by-step explanation:
The formula to find the area of a circle is

Let pi be (3.14), the radios as given in the question is (0.9). Therefore;

Answer:
9.34 km
Step-by-step explanation:
- m to km = m ÷ 1000
- 9340 ÷ 1000 = 9.34
I hope this helps!
Answer:

Step-by-step explanation:
The radius is the distance between the center and any point on the circle.
The formula of a distance between two points:

We have the center (3, -3) and other point on the circle (7, 6).
Substitute:
