I think it 5 because
4:1
8:2
12:3
16:4
20:5
Answer:
its going up by 10
Step-by-step explanation:
392,000 would be the nearest <span>hundred thousand</span>
Using the formula for area of a circle:
Area = pi x radius^2
Replace area with the given value:
39.62 = pi x radius^2
Divide both sides by pi
Radius^2 = 39.62/pi
Radius^2 = 12.62
Solve for radius by taking the square root of both sides
Radius = sqrt(12.62)
Radius = 3.55 cm