Question

The area of a circle is 18.1 km^2. Find the radius of the circle in kilometers

rounded to the nearest tenth. Use 3.14 for PI, and enter the number only.

Answer 1

2.4 km

Explanation:

πr²=18.1 km²

18.1/3.14=5.76km²

576/100

24/10=2.4km

Answer 2

Answer:2.4

Explanation:

area = pi* r^2

18.1 /3.14=r^2

5.76 =r^2

Now root square