Question

s denotes the length of the arc of a circle of radius r subtended by the central angle θ.  Find the missing quantity. Round answers to three decimal places.

r = 10 meters,     θ = 1/2 radian,       s = ?

Answer 1

Step 1:

Radius of the circle and Central angle .

Formula for length of the arc of  the circle is .

Where is radius of the circle and is central angle measured in radians.

Substitute and in .

meters.

Solution:

Length of the arc of the circle meters.