$\"\"$

If $\"\"$ (in radians) is a central angle in a circle with radius $\"\"$ , then the length of the arc cut off by $\"\"$ is $\"\"$ .

$\"\"$

Find the radius of the circle.

Consider $\"\"$ .

Substitute the values of $\"\"$ and $\"\"$ ft in above formula.

$\"\"$

Thus, the radius of the circle is 2 ft.

$\"\"$

The radius of the circle is 2 ft.