The area of a circle is 689 square units, what is the radius?

*
1 point
14.81
109.71
219.43
29.62

1 answer

The radius is 14.81 units.

The formula for the area of a circle is A = πr^2.

Given that the area is 689, we can set up the equation as follows:

689 = πr^2

Solving for r:

r^2 = 689/π

r = √(689/π) ≈ 14.81

Therefore, the radius is approximately 14.81 units.